How many integers from 1 to 1000 (exclusive) are divisible by the cube of an integer larger than or equal to 2?

Answer 1

such cubes:
8,27,64,125,216,343,512,729

So, figure out how many multiples of these numbers there are, removing duplicates.

Answer 2

i calculated 191.
but the answer is something else.
please help

Answer 3

Whats the answe?