64510020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39821}}^1$

素因数の和:39842

約数の個数: 60

約数和(自身を含む): 202375404

約数和(自身を除く): 137865384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39821, 79642, 119463, 159284, 199105, 238926, 358389, 398210, 477852, 597315, 716778, 796420, 1075167, 1194630, 1433556, 1791945, 2150334, 2389260, 3225501, 3583890, 4300668, 5375835, 6451002, 7167780, 10751670, 12902004, 16127505, 21503340, 32255010, 64510020]

約数ペア:

[(1, 64510020), (2, 32255010), (3, 21503340), (4, 16127505), (5, 12902004), (6, 10751670), (9, 7167780), (10, 6451002), (12, 5375835), (15, 4300668), (18, 3583890), (20, 3225501), (27, 2389260), (30, 2150334), (36, 1791945), (45, 1433556), (54, 1194630), (60, 1075167), (81, 796420), (90, 716778), (108, 597315), (135, 477852), (162, 398210), (180, 358389), (270, 238926), (324, 199105), (405, 159284), (540, 119463), (810, 79642), (1620, 39821)]