Only 729 is a perfect cube.

Except 124, all other numbers are multiples of 3.

All except 18 are square of natural numbers.
(5)² = 25, (3)³ = 9, (4)² = 16.

Except 267 , all other numbers are one lass than the square of a certain number

9 - 2 = 7 . ? 7² = 49
13 - 2 = 11 ? 11² = 121
10 - 2 = 8 ? 8² = 64 ? 61
7 - 2 = 5 ? 5² = 25

? 272 = 2 + 7 + 2 = 11
210 = 2 + 1 + 0 = 3
240 = 2 + 4 + 0 = 6
304 = 3 + 0 + 4 = 7

The sum of digit of all number except 240 is a prime number where as sum of number 240 digit is a non-prime. Hence, it is different from all others.

Each of the numbers except 380, is either one less or one more than the square of a certain number.

Except 22 all are in the from 11² x 1, 11² x 2, 11² x 3 etc.

Only 119 has different factors, 7 and 17 and no factors are repeated.

Except 56 all can be expressed as power of 2.