Q: What is the sum of all factors of the number 76,767,280 excluding 76,767,280?

A: 104,654,144

Why is 104,654,144 the sum of all factors of 76,767,280, excluding 76,767,280?

The factors of the number 76,767,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 629240, 959591, 1258480, 1919182, 3838364, 4797955, 7676728, 9595910, 15353456, 19191820, 38383640, 76767280.

If you add them up, you will get the total of 76,767,384. Now subtract 76,767,280 to get 104,654,144