Pacquiao-Mayweather megabout by the numbers

Floyd Mayweather Jr., left, and Manny Pacquiao AP FILE PHOTO

LAS VEGAS— The richest fight in history is full of numbers.

Here are some of them:

12 – scheduled rounds

147 – welterweight weight limit

3 – number of titles at stake (WBA, WBC, WBO)

$180 million – Mayweather’s expected payday

$120 million – Pacquiao’s expected payday

3-4 million – expected pay-per-view buys

2.48 million – previous pay-per-view record (set by Mayweather-Oscar De La Hoya in 2007)

27.9 million – total pay-per-view buys generated in past fights involving Pacquiao and Mayweather.

BACKSTORY: The pay-per-view phenomenon in boxing

$10,000 – price of a seat on the floor at the MGM Grand arena

$1,500 – price of the worst seat in the house

47 – number of wins in Mayweather’s career

0 – number of losses in Mayweather’s career

5 – number of losses in Pacquiao’s career

$1,600 – cost of the cheapest room at the MGM Grand on fight night.

$120 – cost of cheapest room at the MGM Grand on a typical night

BACKSTORY: MGM Grand set for the grandest fight of all

$1 million – reputed cost of special WBC title belt made for the fight.

900 – number of tickets Pacquiao bought for his friends and family for the fight.

$3,500 – online ticket broker price for worst seat in the house

$130 – online price for the weigh-in

READ: Pacquiao-Mayweather weigh-in tickets to cost $10