Q: What is the sum of all factors of the number 81,072 excluding 81,072?

 A: 146,220

Why is 146,220 the sum of all factors of 81,072, excluding 81,072?

The factors of the number 81,072 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 563, 1126, 1689, 2252, 3378, 4504, 5067, 6756, 9008, 10134, 13512, 20268, 27024, 40536, 81072.

If you add them up, you will get the total of 81,218. Now subtract 81,072 to get 146,220


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