20172949600

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{6379}}^1$

素因数の和:6525

約数の個数: 144

約数和(自身を含む): 50837371200

約数和(自身を除く): 30664421600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 67, 80, 100, 118, 134, 160, 200, 236, 268, 295, 335, 400, 472, 536, 590, 670, 800, 944, 1072, 1180, 1340, 1475, 1675, 1888, 2144, 2360, 2680, 2950, 3350, 3953, 4720, 5360, 5900, 6379, 6700, 7906, 9440, 10720, 11800, 12758, 13400, 15812, 19765, 23600, 25516, 26800, 31624, 31895, 39530, 47200, 51032, 53600, 63248, 63790, 79060, 98825, 102064, 126496, 127580, 158120, 159475, 197650, 204128, 255160, 316240, 318950, 376361, 395300, 427393, 510320, 632480, 637900, 752722, 790600, 854786, 1020640, 1275800, 1505444, 1581200, 1709572, 1881805, 2136965, 2551600, 3010888, 3162400, 3419144, 3763610, 4273930, 5103200, 6021776, 6838288, 7527220, 8547860, 9409025, 10684825, 12043552, 13676576, 15054440, 17095720, 18818050, 21369650, 25216187, 30108880, 34191440, 37636100, 42739300, 50432374, 60217760, 68382880, 75272200, 85478600, 100864748, 126080935, 150544400, 170957200, 201729496, 252161870, 301088800, 341914400, 403458992, 504323740, 630404675, 806917984, 1008647480, 1260809350, 2017294960, 2521618700, 4034589920, 5043237400, 10086474800, 20172949600]

約数ペア:

[(1, 20172949600), (2, 10086474800), (4, 5043237400), (5, 4034589920), (8, 2521618700), (10, 2017294960), (16, 1260809350), (20, 1008647480), (25, 806917984), (32, 630404675), (40, 504323740), (50, 403458992), (59, 341914400), (67, 301088800), (80, 252161870), (100, 201729496), (118, 170957200), (134, 150544400), (160, 126080935), (200, 100864748), (236, 85478600), (268, 75272200), (295, 68382880), (335, 60217760), (400, 50432374), (472, 42739300), (536, 37636100), (590, 34191440), (670, 30108880), (800, 25216187), (944, 21369650), (1072, 18818050), (1180, 17095720), (1340, 15054440), (1475, 13676576), (1675, 12043552), (1888, 10684825), (2144, 9409025), (2360, 8547860), (2680, 7527220), (2950, 6838288), (3350, 6021776), (3953, 5103200), (4720, 4273930), (5360, 3763610), (5900, 3419144), (6379, 3162400), (6700, 3010888), (7906, 2551600), (9440, 2136965), (10720, 1881805), (11800, 1709572), (12758, 1581200), (13400, 1505444), (15812, 1275800), (19765, 1020640), (23600, 854786), (25516, 790600), (26800, 752722), (31624, 637900), (31895, 632480), (39530, 510320), (47200, 427393), (51032, 395300), (53600, 376361), (63248, 318950), (63790, 316240), (79060, 255160), (98825, 204128), (102064, 197650), (126496, 159475), (127580, 158120)]