Q: What is the sum of all factors of the number 101,280 excluding 101,280?

A: 219,264

Why is 219,264 the sum of all factors of 101,280, excluding 101,280?

The factors of the number 101,280 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 211, 240, 422, 480, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 6752, 8440, 10128, 12660, 16880, 20256, 25320, 33760, 50640, 101280.

If you add them up, you will get the total of 101,499. Now subtract 101,280 to get 219,264