208672020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{5107}}^1$

素因数の和:5349

約数の個数: 72

約数和(自身を含む): 635884704

約数和(自身を除く): 427212684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2270, 2724, 3405, 4086, 4540, 5107, 6810, 8172, 10214, 10215, 13620, 15321, 20428, 20430, 25535, 30642, 40860, 45963, 51070, 61284, 76605, 91926, 102140, 153210, 183852, 229815, 306420, 459630, 919260, 1159289, 2318578, 3477867, 4637156, 5796445, 6955734, 10433601, 11592890, 13911468, 17389335, 20867202, 23185780, 34778670, 41734404, 52168005, 69557340, 104336010, 208672020]

約数ペア:

[(1, 208672020), (2, 104336010), (3, 69557340), (4, 52168005), (5, 41734404), (6, 34778670), (9, 23185780), (10, 20867202), (12, 17389335), (15, 13911468), (18, 11592890), (20, 10433601), (30, 6955734), (36, 5796445), (45, 4637156), (60, 3477867), (90, 2318578), (180, 1159289), (227, 919260), (454, 459630), (681, 306420), (908, 229815), (1135, 183852), (1362, 153210), (2043, 102140), (2270, 91926), (2724, 76605), (3405, 61284), (4086, 51070), (4540, 45963), (5107, 40860), (6810, 30642), (8172, 25535), (10214, 20430), (10215, 20428), (13620, 15321)]