Q: What is the sum of all factors of the number 3,540 excluding 3,540?
A: 6,540
The factors of the number 3,540 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540.
If you add them up, you will get the total of 3,546. Now subtract 3,540 to get 6,540