9780180400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{22787}}^1$

素因数の和:22871

約数の個数: 120

約数和(自身を含む): 24965165520

約数和(自身を除く): 15184985120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 37, 40, 50, 58, 74, 80, 100, 116, 145, 148, 185, 200, 232, 290, 296, 370, 400, 464, 580, 592, 725, 740, 925, 1073, 1160, 1450, 1480, 1850, 2146, 2320, 2900, 2960, 3700, 4292, 5365, 5800, 7400, 8584, 10730, 11600, 14800, 17168, 21460, 22787, 26825, 42920, 45574, 53650, 85840, 91148, 107300, 113935, 182296, 214600, 227870, 364592, 429200, 455740, 569675, 660823, 843119, 911480, 1139350, 1321646, 1686238, 1822960, 2278700, 2643292, 3304115, 3372476, 4215595, 4557400, 5286584, 6608230, 6744952, 8431190, 9114800, 10573168, 13216460, 13489904, 16520575, 16862380, 21077975, 24450451, 26432920, 33041150, 33724760, 42155950, 48900902, 52865840, 66082300, 67449520, 84311900, 97801804, 122252255, 132164600, 168623800, 195603608, 244504510, 264329200, 337247600, 391207216, 489009020, 611261275, 978018040, 1222522550, 1956036080, 2445045100, 4890090200, 9780180400]

約数ペア:

[(1, 9780180400), (2, 4890090200), (4, 2445045100), (5, 1956036080), (8, 1222522550), (10, 978018040), (16, 611261275), (20, 489009020), (25, 391207216), (29, 337247600), (37, 264329200), (40, 244504510), (50, 195603608), (58, 168623800), (74, 132164600), (80, 122252255), (100, 97801804), (116, 84311900), (145, 67449520), (148, 66082300), (185, 52865840), (200, 48900902), (232, 42155950), (290, 33724760), (296, 33041150), (370, 26432920), (400, 24450451), (464, 21077975), (580, 16862380), (592, 16520575), (725, 13489904), (740, 13216460), (925, 10573168), (1073, 9114800), (1160, 8431190), (1450, 6744952), (1480, 6608230), (1850, 5286584), (2146, 4557400), (2320, 4215595), (2900, 3372476), (2960, 3304115), (3700, 2643292), (4292, 2278700), (5365, 1822960), (5800, 1686238), (7400, 1321646), (8584, 1139350), (10730, 911480), (11600, 843119), (14800, 660823), (17168, 569675), (21460, 455740), (22787, 429200), (26825, 364592), (42920, 227870), (45574, 214600), (53650, 182296), (85840, 113935), (91148, 107300)]