840330680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2881

約数の個数: 128

約数和(自身を含む): 2296598400

約数和(自身を除く): 1456267720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 37, 40, 56, 58, 70, 74, 116, 140, 145, 148, 185, 203, 232, 259, 280, 290, 296, 370, 406, 518, 580, 740, 812, 1015, 1036, 1073, 1160, 1295, 1480, 1624, 2030, 2072, 2146, 2590, 2797, 4060, 4292, 5180, 5365, 5594, 7511, 8120, 8584, 10360, 10730, 11188, 13985, 15022, 19579, 21460, 22376, 27970, 30044, 37555, 39158, 42920, 55940, 60088, 75110, 78316, 81113, 97895, 103489, 111880, 150220, 156632, 162226, 195790, 206978, 300440, 324452, 391580, 405565, 413956, 517445, 567791, 648904, 724423, 783160, 811130, 827912, 1034890, 1135582, 1448846, 1622260, 2069780, 2271164, 2838955, 2897692, 3001181, 3244520, 3622115, 4139560, 4542328, 5677910, 5795384, 6002362, 7244230, 11355820, 12004724, 14488460, 15005905, 21008267, 22711640, 24009448, 28976920, 30011810, 42016534, 60023620, 84033068, 105041335, 120047240, 168066136, 210082670, 420165340, 840330680]

約数ペア:

[(1, 840330680), (2, 420165340), (4, 210082670), (5, 168066136), (7, 120047240), (8, 105041335), (10, 84033068), (14, 60023620), (20, 42016534), (28, 30011810), (29, 28976920), (35, 24009448), (37, 22711640), (40, 21008267), (56, 15005905), (58, 14488460), (70, 12004724), (74, 11355820), (116, 7244230), (140, 6002362), (145, 5795384), (148, 5677910), (185, 4542328), (203, 4139560), (232, 3622115), (259, 3244520), (280, 3001181), (290, 2897692), (296, 2838955), (370, 2271164), (406, 2069780), (518, 1622260), (580, 1448846), (740, 1135582), (812, 1034890), (1015, 827912), (1036, 811130), (1073, 783160), (1160, 724423), (1295, 648904), (1480, 567791), (1624, 517445), (2030, 413956), (2072, 405565), (2146, 391580), (2590, 324452), (2797, 300440), (4060, 206978), (4292, 195790), (5180, 162226), (5365, 156632), (5594, 150220), (7511, 111880), (8120, 103489), (8584, 97895), (10360, 81113), (10730, 78316), (11188, 75110), (13985, 60088), (15022, 55940), (19579, 42920), (21460, 39158), (22376, 37555), (27970, 30044)]