104002020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1109}}^1$

素因数の和:1645

約数の個数: 72

約数和(自身を含む): 316363320

約数和(自身を除く): 212361300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1109, 1563, 2084, 2218, 2605, 3126, 3327, 4436, 4689, 5210, 5545, 6252, 6654, 7815, 9378, 9981, 10420, 11090, 13308, 15630, 16635, 18756, 19962, 22180, 23445, 31260, 33270, 39924, 46890, 49905, 66540, 93780, 99810, 199620, 577789, 1155578, 1733367, 2311156, 2888945, 3466734, 5200101, 5777890, 6933468, 8666835, 10400202, 11555780, 17333670, 20800404, 26000505, 34667340, 52001010, 104002020]

約数ペア:

[(1, 104002020), (2, 52001010), (3, 34667340), (4, 26000505), (5, 20800404), (6, 17333670), (9, 11555780), (10, 10400202), (12, 8666835), (15, 6933468), (18, 5777890), (20, 5200101), (30, 3466734), (36, 2888945), (45, 2311156), (60, 1733367), (90, 1155578), (180, 577789), (521, 199620), (1042, 99810), (1109, 93780), (1563, 66540), (2084, 49905), (2218, 46890), (2605, 39924), (3126, 33270), (3327, 31260), (4436, 23445), (4689, 22180), (5210, 19962), (5545, 18756), (6252, 16635), (6654, 15630), (7815, 13308), (9378, 11090), (9981, 10420)]