10222020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 31351320

約数和(自身を除く): 21129300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 521, 545, 654, 981, 1042, 1090, 1308, 1563, 1635, 1962, 2084, 2180, 2605, 3126, 3270, 3924, 4689, 4905, 5210, 6252, 6540, 7815, 9378, 9810, 10420, 15630, 18756, 19620, 23445, 31260, 46890, 56789, 93780, 113578, 170367, 227156, 283945, 340734, 511101, 567890, 681468, 851835, 1022202, 1135780, 1703670, 2044404, 2555505, 3407340, 5111010, 10222020]

約数ペア:

[(1, 10222020), (2, 5111010), (3, 3407340), (4, 2555505), (5, 2044404), (6, 1703670), (9, 1135780), (10, 1022202), (12, 851835), (15, 681468), (18, 567890), (20, 511101), (30, 340734), (36, 283945), (45, 227156), (60, 170367), (90, 113578), (109, 93780), (180, 56789), (218, 46890), (327, 31260), (436, 23445), (521, 19620), (545, 18756), (654, 15630), (981, 10420), (1042, 9810), (1090, 9378), (1308, 7815), (1563, 6540), (1635, 6252), (1962, 5210), (2084, 4905), (2180, 4689), (2605, 3924), (3126, 3270)]