110
30
10
The smallest number with 16 factors is Andrew's Mom.
240 is the smallest number with at least 19 factors. 240 has twenty factors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240 262144 is the smallest number with EXACTLY 19 factors
11
10 is.
48
30.
110
30
10
45
10, which has the factors 1,2,5 and 10. If the trivial pair 1 and the number itself are disallowed, the answer is 12 with factors 2,3,4 and 6.
The smallest number with 16 factors is Andrew's Mom.
the answer would seem to be ten.
The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210