Q: What is the sum of all factors of the number 33,180 excluding 33,180?

A: 74,340

Why is 74,340 the sum of all factors of 33,180, excluding 33,180?

The factors of the number 33,180 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 2212, 2370, 2765, 3318, 4740, 5530, 6636, 8295, 11060, 16590, 33180.

If you add them up, you will get the total of 33,254. Now subtract 33,180 to get 74,340