3672108144180216252288324360396432468504540576612648684720756792828864900936972
I used Microsoft Excel to generate that list quickly.
36, 72. That's it.
4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100.
4
72 :) :) :) :) :) :)
Just 72.
They're all multiples of 1, 2, 3 and 6.
Factors: 1, 2, 3 Multiples: 36, 72, 108
36 and 72
All multiple of 18:18, 36, 54, 72 and 90
all the multiples of 36 (because 6 goes into 36 w/o remainder) 36, 72, 108, 144, etc.
Multiples of 12 are 12, 24, 36, 48, etc. Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36. Numbers that are multiples of 12 and factors of 36 are 12 and 36.
Two: 36 and 72.