Let M be the least common multiple of 1,2,3......20. How many positive divisors does M have?
LCM of numbers 1-20: 232,792,560
https://www.integers.co/questions-answers/what-is-the-total-number-of-factors-of-the-number-232792560.html
M=232,792,560 = 2^4×3^2×5×7×11×13×17×19.
It has 12 prime factors. 8 of them are distinct.
It has a total of 960 divisors!.