620928180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{127763}}^1$

素因数の和:127787

約数の個数: 72

約数和(自身を含む): 1953256032

約数和(自身を除く): 1332327852

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 127763, 255526, 383289, 511052, 638815, 766578, 1149867, 1277630, 1533156, 1916445, 2299734, 2555260, 3449601, 3832890, 4599468, 5749335, 6899202, 7665780, 10348803, 11498670, 13798404, 17248005, 20697606, 22997340, 31046409, 34496010, 41395212, 51744015, 62092818, 68992020, 103488030, 124185636, 155232045, 206976060, 310464090, 620928180]

約数ペア:

[(1, 620928180), (2, 310464090), (3, 206976060), (4, 155232045), (5, 124185636), (6, 103488030), (9, 68992020), (10, 62092818), (12, 51744015), (15, 41395212), (18, 34496010), (20, 31046409), (27, 22997340), (30, 20697606), (36, 17248005), (45, 13798404), (54, 11498670), (60, 10348803), (81, 7665780), (90, 6899202), (108, 5749335), (135, 4599468), (162, 3832890), (180, 3449601), (243, 2555260), (270, 2299734), (324, 1916445), (405, 1533156), (486, 1277630), (540, 1149867), (810, 766578), (972, 638815), (1215, 511052), (1620, 383289), (2430, 255526), (4860, 127763)]