120=23.3.5 -> có: (3+1).(1+1).(1+1)=16 ước
108=22.33 -> có: (2+1).(3+1)=12 ước
325=52.13 -> có: (2+1).(1+1)=6 ước
729=36 -> có: 6+1= 7 ước
1036=22.7.37 -> có: (2+1).(1+1).(1+1)=12 ước
435=3.5.29 -> có: (1+1).(1+1).(1+1)=8 ước
702=2.33.13 -> có: (1+1).(3+1).(1+1)=16 ước
138=2.3.23 -> có: (1+1).(1+1).(1+1)=8 ước
234=2.32.13 -> có: (1+1).(2+1).(1+1)=12 ước
76=22.19 -> có: (2+1).(1+1)=6 ước
1270=2.5.127 -> có: (1+1).(1+1).(1+1)=8 ước
4254=2.3.709 -> có: (1+1).(1+1).(1+1)=8 ước