Q: What is the sum of all factors of the number 1,980 including 1,980?

 A: 6,552

Why is 6,552 the sum of all factors of 1,980, including 1,980?

The factors of the number 1,980 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980.

If you add them up, you will get the total of 6,552.


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