Q: What is the sum of all factors of the number 142,440 including 142,440?
A: 427,680
The factors of the number 142,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1187, 2374, 3561, 4748, 5935, 7122, 9496, 11870, 14244, 17805, 23740, 28488, 35610, 47480, 71220, 142440.
If you add them up, you will get the total of 427,680.