Q: What is the sum of all factors of the number 15,540 including 15,540?

A: 51,072

Why is 51,072 the sum of all factors of 15,540, including 15,540?

The factors of the number 15,540 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540.

If you add them up, you will get the total of 51,072.