They can be and are.
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28, 35, 42, 49, 56
12, 24, 36, 49, 60, 72, 84 28, 56, 84
The factors are 1, 7 and 49. The multiples are 0, 49, 98, 147, 196 ... (just keep adding 49)
None in that range.
60 and the infinitely many multiples of 60.