In how many ways can 36 be written as the product a*b*c*d, where a, b, c, d are positive integers such that a <= b <= c <= d?
In how many ways can 36 be written as the product a*b*c*d,
where a, b, c, d are positive integers such that a <= b <= c <= d?
1 • 1 • 1 • 36 = 36
1 • 1 • 2 • 18 = 36
1 • 1 • 3 • 12 = 36
1 • 1 • 4 • 9 = 36
1 • 1 • 6 • 6 = 36
1 • 2 • 2 • 9 = 36
1 • 2 • 3 • 6 = 36
1 • 3 • 3 • 4 = 36
2 • 2 • 3 • 3 = 36