61129980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{709}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 186076800

約数和(自身を除く): 124946820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 709, 958, 1418, 1437, 1916, 2127, 2395, 2836, 2874, 3545, 4254, 4311, 4790, 5748, 6381, 7090, 7185, 8508, 8622, 9580, 10635, 12762, 14180, 14370, 17244, 21270, 21555, 25524, 28740, 31905, 42540, 43110, 63810, 86220, 127620, 339611, 679222, 1018833, 1358444, 1698055, 2037666, 3056499, 3396110, 4075332, 5094165, 6112998, 6792220, 10188330, 12225996, 15282495, 20376660, 30564990, 61129980]

約数ペア:

[(1, 61129980), (2, 30564990), (3, 20376660), (4, 15282495), (5, 12225996), (6, 10188330), (9, 6792220), (10, 6112998), (12, 5094165), (15, 4075332), (18, 3396110), (20, 3056499), (30, 2037666), (36, 1698055), (45, 1358444), (60, 1018833), (90, 679222), (180, 339611), (479, 127620), (709, 86220), (958, 63810), (1418, 43110), (1437, 42540), (1916, 31905), (2127, 28740), (2395, 25524), (2836, 21555), (2874, 21270), (3545, 17244), (4254, 14370), (4311, 14180), (4790, 12762), (5748, 10635), (6381, 9580), (7090, 8622), (7185, 8508)]