Find the sum of the positive square free divisors of 54000. Note: A natural number is square free if it is not the multiple of any perfect square greater than 1.
54000 has the prime divisors of 2, 3, and 5.
So the number can use 2, 3, or 5 once.
2
3
5
2*3
2*5
3*5
2*3*5
1, 2, 3, 5, 6, 10, 15, 30 are the positive square free divisors, and they sum up to 72. :)
=^._.^=
