1,2,3,4,6,8,12,24
1,2,4,7,14,28
1,2,3,5,6,10,15,30
1,2,3,4,6,9,12,18,36
1,2,4,5,8,10,20,40
1,2,3,6,7,14,21,42
1,2,3,4,6,8,12,16,24,48
1,2,5,10,25,50
1,2,3,4,5,6,10,12,15,20,30,60
1,2,4,5,8,10,16,20,40,80