20438634240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47951}}^1$

素因数の和:48015

約数の個数: 216

約数和(自身を含む): 72628291008

約数和(自身を除く): 52189656768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1665, 1776, 1920, 2220, 2304, 2368, 2664, 2880, 2960, 3330, 3552, 3840, 4440, 4736, 5328, 5760, 5920, 6660, 7104, 8880, 9472, 10656, 11520, 11840, 13320, 14208, 17760, 21312, 23680, 26640, 28416, 35520, 42624, 47360, 47951, 53280, 71040, 85248, 95902, 106560, 142080, 143853, 191804, 213120, 239755, 287706, 383608, 426240, 431559, 479510, 575412, 719265, 767216, 863118, 959020, 1150824, 1438530, 1534432, 1726236, 1774187, 1918040, 2157795, 2301648, 2877060, 3068864, 3452472, 3548374, 3836080, 4315590, 4603296, 5322561, 5754120, 6137728, 6904944, 7096748, 7672160, 8631180, 8870935, 9206592, 10645122, 11508240, 12275456, 13809888, 14193496, 15344320, 15967683, 17262360, 17741870, 18413184, 21290244, 23016480, 26612805, 27619776, 28386992, 30688640, 31935366, 34524720, 35483740, 36826368, 42580488, 46032960, 53225610, 55239552, 56773984, 61377280, 63870732, 69049440, 70967480, 79838415, 85160976, 92065920, 106451220, 110479104, 113547968, 127741464, 138098880, 141934960, 159676830, 170321952, 184131840, 212902440, 227095936, 255482928, 276197760, 283869920, 319353660, 340643904, 425804880, 454191872, 510965856, 552395520, 567739840, 638707320, 681287808, 851609760, 1021931712, 1135479680, 1277414640, 1362575616, 1703219520, 2043863424, 2270959360, 2554829280, 3406439040, 4087726848, 5109658560, 6812878080, 10219317120, 20438634240]

約数ペア:

[(1, 20438634240), (2, 10219317120), (3, 6812878080), (4, 5109658560), (5, 4087726848), (6, 3406439040), (8, 2554829280), (9, 2270959360), (10, 2043863424), (12, 1703219520), (15, 1362575616), (16, 1277414640), (18, 1135479680), (20, 1021931712), (24, 851609760), (30, 681287808), (32, 638707320), (36, 567739840), (37, 552395520), (40, 510965856), (45, 454191872), (48, 425804880), (60, 340643904), (64, 319353660), (72, 283869920), (74, 276197760), (80, 255482928), (90, 227095936), (96, 212902440), (111, 184131840), (120, 170321952), (128, 159676830), (144, 141934960), (148, 138098880), (160, 127741464), (180, 113547968), (185, 110479104), (192, 106451220), (222, 92065920), (240, 85160976), (256, 79838415), (288, 70967480), (296, 69049440), (320, 63870732), (333, 61377280), (360, 56773984), (370, 55239552), (384, 53225610), (444, 46032960), (480, 42580488), (555, 36826368), (576, 35483740), (592, 34524720), (640, 31935366), (666, 30688640), (720, 28386992), (740, 27619776), (768, 26612805), (888, 23016480), (960, 21290244), (1110, 18413184), (1152, 17741870), (1184, 17262360), (1280, 15967683), (1332, 15344320), (1440, 14193496), (1480, 13809888), (1665, 12275456), (1776, 11508240), (1920, 10645122), (2220, 9206592), (2304, 8870935), (2368, 8631180), (2664, 7672160), (2880, 7096748), (2960, 6904944), (3330, 6137728), (3552, 5754120), (3840, 5322561), (4440, 4603296), (4736, 4315590), (5328, 3836080), (5760, 3548374), (5920, 3452472), (6660, 3068864), (7104, 2877060), (8880, 2301648), (9472, 2157795), (10656, 1918040), (11520, 1774187), (11840, 1726236), (13320, 1534432), (14208, 1438530), (17760, 1150824), (21312, 959020), (23680, 863118), (26640, 767216), (28416, 719265), (35520, 575412), (42624, 479510), (47360, 431559), (47951, 426240), (53280, 383608), (71040, 287706), (85248, 239755), (95902, 213120), (106560, 191804), (142080, 143853)]