72231760

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1621}}^1$

素因数の和:2191

約数の個数: 40

約数和(自身を含む): 168344136

約数和(自身を除く): 96112376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1621, 2228, 2785, 3242, 4456, 5570, 6484, 8105, 8912, 11140, 12968, 16210, 22280, 25936, 32420, 44560, 64840, 129680, 902897, 1805794, 3611588, 4514485, 7223176, 9028970, 14446352, 18057940, 36115880, 72231760]

約数ペア:

[(1, 72231760), (2, 36115880), (4, 18057940), (5, 14446352), (8, 9028970), (10, 7223176), (16, 4514485), (20, 3611588), (40, 1805794), (80, 902897), (557, 129680), (1114, 64840), (1621, 44560), (2228, 32420), (2785, 25936), (3242, 22280), (4456, 16210), (5570, 12968), (6484, 11140), (8105, 8912)]