68992020

素因数分解:

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

素因数の和:127781

約数の個数: 48

約数和(自身を含む): 214643520

約数和(自身を除く): 145651500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 127763, 255526, 383289, 511052, 638815, 766578, 1149867, 1277630, 1533156, 1916445, 2299734, 2555260, 3449601, 3832890, 4599468, 5749335, 6899202, 7665780, 11498670, 13798404, 17248005, 22997340, 34496010, 68992020]

約数ペア:

[(1, 68992020), (2, 34496010), (3, 22997340), (4, 17248005), (5, 13798404), (6, 11498670), (9, 7665780), (10, 6899202), (12, 5749335), (15, 4599468), (18, 3832890), (20, 3449601), (27, 2555260), (30, 2299734), (36, 1916445), (45, 1533156), (54, 1277630), (60, 1149867), (90, 766578), (108, 638815), (135, 511052), (180, 383289), (270, 255526), (540, 127763)]