20878709600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{24691}}^1$

素因数の和:24869

約数の個数: 144

約数和(自身を含む): 58639746816

約数和(自身を除く): 37761037216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 151, 160, 175, 200, 224, 280, 302, 350, 400, 560, 604, 700, 755, 800, 1057, 1120, 1208, 1400, 1510, 2114, 2416, 2800, 3020, 3775, 4228, 4832, 5285, 5600, 6040, 7550, 8456, 10570, 12080, 15100, 16912, 21140, 24160, 24691, 26425, 30200, 33824, 42280, 49382, 52850, 60400, 84560, 98764, 105700, 120800, 123455, 169120, 172837, 197528, 211400, 246910, 345674, 395056, 422800, 493820, 617275, 691348, 790112, 845600, 864185, 987640, 1234550, 1382696, 1728370, 1975280, 2469100, 2765392, 3456740, 3728341, 3950560, 4320925, 4938200, 5530784, 6913480, 7456682, 8641850, 9876400, 13826960, 14913364, 17283700, 18641705, 19752800, 26098387, 27653920, 29826728, 34567400, 37283410, 52196774, 59653456, 69134800, 74566820, 93208525, 104393548, 119306912, 130491935, 138269600, 149133640, 186417050, 208787096, 260983870, 298267280, 372834100, 417574192, 521967740, 596534560, 652459675, 745668200, 835148384, 1043935480, 1304919350, 1491336400, 2087870960, 2609838700, 2982672800, 4175741920, 5219677400, 10439354800, 20878709600]

約数ペア:

[(1, 20878709600), (2, 10439354800), (4, 5219677400), (5, 4175741920), (7, 2982672800), (8, 2609838700), (10, 2087870960), (14, 1491336400), (16, 1304919350), (20, 1043935480), (25, 835148384), (28, 745668200), (32, 652459675), (35, 596534560), (40, 521967740), (50, 417574192), (56, 372834100), (70, 298267280), (80, 260983870), (100, 208787096), (112, 186417050), (140, 149133640), (151, 138269600), (160, 130491935), (175, 119306912), (200, 104393548), (224, 93208525), (280, 74566820), (302, 69134800), (350, 59653456), (400, 52196774), (560, 37283410), (604, 34567400), (700, 29826728), (755, 27653920), (800, 26098387), (1057, 19752800), (1120, 18641705), (1208, 17283700), (1400, 14913364), (1510, 13826960), (2114, 9876400), (2416, 8641850), (2800, 7456682), (3020, 6913480), (3775, 5530784), (4228, 4938200), (4832, 4320925), (5285, 3950560), (5600, 3728341), (6040, 3456740), (7550, 2765392), (8456, 2469100), (10570, 1975280), (12080, 1728370), (15100, 1382696), (16912, 1234550), (21140, 987640), (24160, 864185), (24691, 845600), (26425, 790112), (30200, 691348), (33824, 617275), (42280, 493820), (49382, 422800), (52850, 395056), (60400, 345674), (84560, 246910), (98764, 211400), (105700, 197528), (120800, 172837), (123455, 169120)]