What number under 100 is divisible by the most prime numbers?

There are no numbers below 100 that are divisible by more than 3 prime factors.

Those numbers are in the group:

30 = 2 * 3 * 5

42 = 2 * 3 * 7

66 = 2 * 3 * 11

78 = 2 * 3 * 13

70 = 2 * 5 * 7