207904140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26861}}^1$

素因数の和:26919

約数の個数: 72

約数和(自身を含む): 645332688

約数和(自身を除く): 437428548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 26861, 53722, 80583, 107444, 134305, 161166, 241749, 268610, 322332, 402915, 483498, 537220, 805830, 966996, 1155023, 1208745, 1611660, 2310046, 2417490, 3465069, 4620092, 4834980, 5775115, 6930138, 10395207, 11550230, 13860276, 17325345, 20790414, 23100460, 34650690, 41580828, 51976035, 69301380, 103952070, 207904140]

約数ペア:

[(1, 207904140), (2, 103952070), (3, 69301380), (4, 51976035), (5, 41580828), (6, 34650690), (9, 23100460), (10, 20790414), (12, 17325345), (15, 13860276), (18, 11550230), (20, 10395207), (30, 6930138), (36, 5775115), (43, 4834980), (45, 4620092), (60, 3465069), (86, 2417490), (90, 2310046), (129, 1611660), (172, 1208745), (180, 1155023), (215, 966996), (258, 805830), (387, 537220), (430, 483498), (516, 402915), (645, 322332), (774, 268610), (860, 241749), (1290, 161166), (1548, 134305), (1935, 107444), (2580, 80583), (3870, 53722), (7740, 26861)]