Q: What is the sum of all factors of the number 101,760 excluding 101,760?

A: 228,720

Why is 228,720 the sum of all factors of 101,760, excluding 101,760?

The factors of the number 101,760 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 4240, 5088, 6360, 6784, 8480, 10176, 12720, 16960, 20352, 25440, 33920, 50880, 101760.

If you add them up, you will get the total of 101,988. Now subtract 101,760 to get 228,720