72971320

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1499}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 164430000

約数和(自身を除く): 91458680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 1499, 2434, 2998, 4868, 5996, 6085, 7495, 9736, 11992, 12170, 14990, 24340, 29980, 48680, 59960, 1824283, 3648566, 7297132, 9121415, 14594264, 18242830, 36485660, 72971320]

約数ペア:

[(1, 72971320), (2, 36485660), (4, 18242830), (5, 14594264), (8, 9121415), (10, 7297132), (20, 3648566), (40, 1824283), (1217, 59960), (1499, 48680), (2434, 29980), (2998, 24340), (4868, 14990), (5996, 12170), (6085, 11992), (7495, 9736)]