64713180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154079}}^1$

素因数の和:154098

約数の個数: 48

約数和(自身を含む): 207083520

約数和(自身を除く): 142370340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154079, 308158, 462237, 616316, 770395, 924474, 1078553, 1540790, 1848948, 2157106, 2311185, 3081580, 3235659, 4314212, 4622370, 5392765, 6471318, 9244740, 10785530, 12942636, 16178295, 21571060, 32356590, 64713180]

約数ペア:

[(1, 64713180), (2, 32356590), (3, 21571060), (4, 16178295), (5, 12942636), (6, 10785530), (7, 9244740), (10, 6471318), (12, 5392765), (14, 4622370), (15, 4314212), (20, 3235659), (21, 3081580), (28, 2311185), (30, 2157106), (35, 1848948), (42, 1540790), (60, 1078553), (70, 924474), (84, 770395), (105, 616316), (140, 462237), (210, 308158), (420, 154079)]