Q: What is the sum of all factors of the number 31,440 excluding 31,440?
A: 66,768
The factors of the number 31,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 7860, 10480, 15720, 31440.
If you add them up, you will get the total of 31,506. Now subtract 31,440 to get 66,768