A098793 Triangle read by rows, 1<=k<=n: T(n,k) = smallest number having exactly as many divisors as n and k together.

2, 4, 6, 4, 6, 6, 6, 16, 16, 12, 4, 6, 6, 16, 6, 16, 12, 12, 64, 12, 24, 4, 6, 6, 16, 6, 12, 6, 16, 12, 12, 64, 12, 24, 12, 24, 6, 16, 16, 12, 16, 64, 16, 64, 12, 16, 12, 12, 64, 12, 24, 12, 24, 64, 24, 4, 6, 6, 16, 6, 12, 6, 12, 16, 12, 6, 64, 24, 24, 36, 24, 48, 24, 48, 36, 48, 24, 60, 4