72167970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{857}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 198671616

約数和(自身を除く): 126503646

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 401, 802, 857, 1203, 1714, 2005, 2406, 2571, 2807, 4010, 4285, 5142, 5614, 5999, 6015, 8421, 8570, 11998, 12030, 12855, 14035, 16842, 17997, 25710, 28070, 29995, 35994, 42105, 59990, 84210, 89985, 179970, 343657, 687314, 1030971, 1718285, 2061942, 2405599, 3436570, 4811198, 5154855, 7216797, 10309710, 12027995, 14433594, 24055990, 36083985, 72167970]

約数ペア:

[(1, 72167970), (2, 36083985), (3, 24055990), (5, 14433594), (6, 12027995), (7, 10309710), (10, 7216797), (14, 5154855), (15, 4811198), (21, 3436570), (30, 2405599), (35, 2061942), (42, 1718285), (70, 1030971), (105, 687314), (210, 343657), (401, 179970), (802, 89985), (857, 84210), (1203, 59990), (1714, 42105), (2005, 35994), (2406, 29995), (2571, 28070), (2807, 25710), (4010, 17997), (4285, 16842), (5142, 14035), (5614, 12855), (5999, 12030), (6015, 11998), (8421, 8570)]