Q: What is the sum of all factors of the number 504 including 504?
A: 1,560
The factors of the number 504 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504.
If you add them up, you will get the total of 1,560.