0
We don't often think of negative numbers as factors of positive ones, but you could use -12 and -12
Factors multiply, like 4 and 6 or 3 and 8 or 2 and 12.
132
None. Factors don't add, they multiply.
167
1012
15 and 4 are the factors of 120 that add up to 19.
262
8x3
-38
They are 8 and 6
-156
24 and -1616 and -812 and -4
35
The factors of -504 are 2, 2, 2, 3, 3, 7 and -1. Then the factors that add to -3 are -24 and 21.
Factors multiply, like 4 and 6 or 3 and 8 or 2 and 12.
There are no whole factors of 360 that add to -48, however: (-24 - 6√6) & (-24 + 6√6) ≈ -38.697 & -9.303 will add to -48 and multiply to 360.
132