Q: What is the sum of all factors of the number 666,015,660 excluding 666,015,660?

A: 1,354,232,388

Why is 1,354,232,388 the sum of all factors of 666,015,660, excluding 666,015,660?

The factors of the number 666,015,660 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3700087, 7400174, 11100261, 14800348, 18500435, 22200522, 33300783, 37000870, 44401044, 55501305, 66601566, 74001740, 111002610, 133203132, 166503915, 222005220, 333007830, 666015660.

If you add them up, you will get the total of 666,015,661. Now subtract 666,015,660 to get 1,354,232,388