20123900400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{15629}}^1$

素因数の和:15716

約数の個数: 240

約数和(自身を含む): 68493160800

約数和(自身を除く): 48369260400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 37, 40, 48, 50, 58, 60, 74, 75, 80, 87, 100, 111, 116, 120, 145, 148, 150, 174, 185, 200, 222, 232, 240, 290, 296, 300, 348, 370, 400, 435, 444, 464, 555, 580, 592, 600, 696, 725, 740, 870, 888, 925, 1073, 1110, 1160, 1200, 1392, 1450, 1480, 1740, 1776, 1850, 2146, 2175, 2220, 2320, 2775, 2900, 2960, 3219, 3480, 3700, 4292, 4350, 4440, 5365, 5550, 5800, 6438, 6960, 7400, 8584, 8700, 8880, 10730, 11100, 11600, 12876, 14800, 15629, 16095, 17168, 17400, 21460, 22200, 25752, 26825, 31258, 32190, 34800, 42920, 44400, 46887, 51504, 53650, 62516, 64380, 78145, 80475, 85840, 93774, 107300, 125032, 128760, 156290, 160950, 187548, 214600, 234435, 250064, 257520, 312580, 321900, 375096, 390725, 429200, 453241, 468870, 578273, 625160, 643800, 750192, 781450, 906482, 937740, 1156546, 1172175, 1250320, 1287600, 1359723, 1562900, 1734819, 1812964, 1875480, 2266205, 2313092, 2344350, 2719446, 2891365, 3125800, 3469638, 3625928, 3750960, 4532410, 4626184, 4688700, 5438892, 5782730, 6251600, 6798615, 6939276, 7251856, 8674095, 9064820, 9252368, 9377400, 10877784, 11331025, 11565460, 13597230, 13878552, 14456825, 16769917, 17348190, 18129640, 18754800, 21755568, 22662050, 23130920, 27194460, 27757104, 28913650, 33539834, 33993075, 34696380, 36259280, 43370475, 45324100, 46261840, 50309751, 54388920, 57827300, 67079668, 67986150, 69392760, 83849585, 86740950, 90648200, 100619502, 108777840, 115654600, 134159336, 135972300, 138785520, 167699170, 173481900, 181296400, 201239004, 231309200, 251548755, 268318672, 271944600, 335398340, 346963800, 402478008, 419247925, 503097510, 543889200, 670796680, 693927600, 804956016, 838495850, 1006195020, 1257743775, 1341593360, 1676991700, 2012390040, 2515487550, 3353983400, 4024780080, 5030975100, 6707966800, 10061950200, 20123900400]

約数ペア:

[(1, 20123900400), (2, 10061950200), (3, 6707966800), (4, 5030975100), (5, 4024780080), (6, 3353983400), (8, 2515487550), (10, 2012390040), (12, 1676991700), (15, 1341593360), (16, 1257743775), (20, 1006195020), (24, 838495850), (25, 804956016), (29, 693927600), (30, 670796680), (37, 543889200), (40, 503097510), (48, 419247925), (50, 402478008), (58, 346963800), (60, 335398340), (74, 271944600), (75, 268318672), (80, 251548755), (87, 231309200), (100, 201239004), (111, 181296400), (116, 173481900), (120, 167699170), (145, 138785520), (148, 135972300), (150, 134159336), (174, 115654600), (185, 108777840), (200, 100619502), (222, 90648200), (232, 86740950), (240, 83849585), (290, 69392760), (296, 67986150), (300, 67079668), (348, 57827300), (370, 54388920), (400, 50309751), (435, 46261840), (444, 45324100), (464, 43370475), (555, 36259280), (580, 34696380), (592, 33993075), (600, 33539834), (696, 28913650), (725, 27757104), (740, 27194460), (870, 23130920), (888, 22662050), (925, 21755568), (1073, 18754800), (1110, 18129640), (1160, 17348190), (1200, 16769917), (1392, 14456825), (1450, 13878552), (1480, 13597230), (1740, 11565460), (1776, 11331025), (1850, 10877784), (2146, 9377400), (2175, 9252368), (2220, 9064820), (2320, 8674095), (2775, 7251856), (2900, 6939276), (2960, 6798615), (3219, 6251600), (3480, 5782730), (3700, 5438892), (4292, 4688700), (4350, 4626184), (4440, 4532410), (5365, 3750960), (5550, 3625928), (5800, 3469638), (6438, 3125800), (6960, 2891365), (7400, 2719446), (8584, 2344350), (8700, 2313092), (8880, 2266205), (10730, 1875480), (11100, 1812964), (11600, 1734819), (12876, 1562900), (14800, 1359723), (15629, 1287600), (16095, 1250320), (17168, 1172175), (17400, 1156546), (21460, 937740), (22200, 906482), (25752, 781450), (26825, 750192), (31258, 643800), (32190, 625160), (34800, 578273), (42920, 468870), (44400, 453241), (46887, 429200), (51504, 390725), (53650, 375096), (62516, 321900), (64380, 312580), (78145, 257520), (80475, 250064), (85840, 234435), (93774, 214600), (107300, 187548), (125032, 160950), (128760, 156290)]