3456共有 32 个约数(包括 1 和 3456):1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,64,72,96,108,128,144,192,216,288,384,432,576,864,1152,1728,3456
其中3的倍数共有 24 个:3,6,9,12,18,24,27,36,48,54,72,96,108,144,192,216,288,384,432,576,864,1152,1728,3456
其中4的倍数共有 24 个:4,8,12,16,24,32,36,48,64,72,96,108,128,144,192,216,288,384,432,576,864,1152,1728,3456
其中6的倍数共有 21 个:6,12,18,24,36,48,54,72,96,108,144,192,216,288,384,432,576,864,1152,1728,3456
3456=2X2X2X2X2X2X2X3X3X3=2的7次方X3的3次方
共有约数:
(7+1)X(3+1)=32个
其中3的倍数有:32-(7+1)=24个
其中2的倍数有:32-(3+1)=28个
其中6的倍数有:32-(7+3+1)=21个