57681080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 135233280

約数和(自身を除く): 77552200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 257, 310, 362, 514, 620, 724, 905, 1028, 1240, 1285, 1448, 1810, 2056, 2570, 3620, 5140, 5611, 7240, 7967, 10280, 11222, 15934, 22444, 28055, 31868, 39835, 44888, 46517, 56110, 63736, 79670, 93034, 112220, 159340, 186068, 224440, 232585, 318680, 372136, 465170, 930340, 1442027, 1860680, 2884054, 5768108, 7210135, 11536216, 14420270, 28840540, 57681080]

約数ペア:

[(1, 57681080), (2, 28840540), (4, 14420270), (5, 11536216), (8, 7210135), (10, 5768108), (20, 2884054), (31, 1860680), (40, 1442027), (62, 930340), (124, 465170), (155, 372136), (181, 318680), (248, 232585), (257, 224440), (310, 186068), (362, 159340), (514, 112220), (620, 93034), (724, 79670), (905, 63736), (1028, 56110), (1240, 46517), (1285, 44888), (1448, 39835), (1810, 31868), (2056, 28055), (2570, 22444), (3620, 15934), (5140, 11222), (5611, 10280), (7240, 7967)]