Q: What is the sum of all factors of the number 782,160 excluding 782,160?

A: 1,643,280

Why is 1,643,280 the sum of all factors of 782,160, excluding 782,160?

The factors of the number 782,160 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3259, 6518, 9777, 13036, 16295, 19554, 26072, 32590, 39108, 48885, 52144, 65180, 78216, 97770, 130360, 156432, 195540, 260720, 391080, 782160.

If you add them up, you will get the total of 782,161. Now subtract 782,160 to get 1,643,280