19926980480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:857

約数の個数: 256

約数和(自身を含む): 53925082560

約数和(自身を除く): 33998102080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 113, 128, 148, 160, 176, 185, 220, 226, 296, 320, 352, 370, 407, 440, 452, 565, 592, 640, 677, 704, 740, 814, 880, 904, 1130, 1184, 1243, 1354, 1408, 1480, 1628, 1760, 1808, 2035, 2260, 2368, 2486, 2708, 2960, 3256, 3385, 3520, 3616, 4070, 4181, 4520, 4736, 4972, 5416, 5920, 6215, 6512, 6770, 7040, 7232, 7447, 8140, 8362, 9040, 9944, 10832, 11840, 12430, 13024, 13540, 14464, 14894, 16280, 16724, 18080, 19888, 20905, 21664, 23680, 24860, 25049, 26048, 27080, 29788, 32560, 33448, 36160, 37235, 39776, 41810, 43328, 45991, 49720, 50098, 52096, 54160, 59576, 65120, 66896, 72320, 74470, 76501, 79552, 83620, 86656, 91982, 99440, 100196, 108320, 119152, 125245, 130240, 133792, 148940, 153002, 159104, 167240, 183964, 198880, 200392, 216640, 229955, 238304, 250490, 260480, 267584, 275539, 297880, 306004, 334480, 367928, 382505, 397760, 400784, 433280, 459910, 476608, 500980, 535168, 551078, 595760, 612008, 668960, 735856, 765010, 795520, 801568, 841511, 919820, 953216, 1001960, 1102156, 1191520, 1224016, 1337920, 1377695, 1471712, 1530020, 1603136, 1683022, 1839640, 2003920, 2204312, 2383040, 2448032, 2675840, 2755390, 2830537, 2943424, 3060040, 3206272, 3366044, 3679280, 4007840, 4207555, 4408624, 4766080, 4896064, 5510780, 5661074, 5886848, 6120080, 6732088, 7358560, 8015680, 8415110, 8817248, 9792128, 11021560, 11322148, 12240160, 13464176, 14152685, 14717120, 16031360, 16830220, 17634496, 22043120, 22644296, 24480320, 26928352, 28305370, 29434240, 31135907, 33660440, 35268992, 44086240, 45288592, 48960640, 53856704, 56610740, 62271814, 67320880, 88172480, 90577184, 107713408, 113221480, 124543628, 134641760, 155679535, 176344960, 181154368, 226442960, 249087256, 269283520, 311359070, 362308736, 452885920, 498174512, 538567040, 622718140, 905771840, 996349024, 1245436280, 1811543680, 1992698048, 2490872560, 3985396096, 4981745120, 9963490240, 19926980480]

約数ペア:

[(1, 19926980480), (2, 9963490240), (4, 4981745120), (5, 3985396096), (8, 2490872560), (10, 1992698048), (11, 1811543680), (16, 1245436280), (20, 996349024), (22, 905771840), (32, 622718140), (37, 538567040), (40, 498174512), (44, 452885920), (55, 362308736), (64, 311359070), (74, 269283520), (80, 249087256), (88, 226442960), (110, 181154368), (113, 176344960), (128, 155679535), (148, 134641760), (160, 124543628), (176, 113221480), (185, 107713408), (220, 90577184), (226, 88172480), (296, 67320880), (320, 62271814), (352, 56610740), (370, 53856704), (407, 48960640), (440, 45288592), (452, 44086240), (565, 35268992), (592, 33660440), (640, 31135907), (677, 29434240), (704, 28305370), (740, 26928352), (814, 24480320), (880, 22644296), (904, 22043120), (1130, 17634496), (1184, 16830220), (1243, 16031360), (1354, 14717120), (1408, 14152685), (1480, 13464176), (1628, 12240160), (1760, 11322148), (1808, 11021560), (2035, 9792128), (2260, 8817248), (2368, 8415110), (2486, 8015680), (2708, 7358560), (2960, 6732088), (3256, 6120080), (3385, 5886848), (3520, 5661074), (3616, 5510780), (4070, 4896064), (4181, 4766080), (4520, 4408624), (4736, 4207555), (4972, 4007840), (5416, 3679280), (5920, 3366044), (6215, 3206272), (6512, 3060040), (6770, 2943424), (7040, 2830537), (7232, 2755390), (7447, 2675840), (8140, 2448032), (8362, 2383040), (9040, 2204312), (9944, 2003920), (10832, 1839640), (11840, 1683022), (12430, 1603136), (13024, 1530020), (13540, 1471712), (14464, 1377695), (14894, 1337920), (16280, 1224016), (16724, 1191520), (18080, 1102156), (19888, 1001960), (20905, 953216), (21664, 919820), (23680, 841511), (24860, 801568), (25049, 795520), (26048, 765010), (27080, 735856), (29788, 668960), (32560, 612008), (33448, 595760), (36160, 551078), (37235, 535168), (39776, 500980), (41810, 476608), (43328, 459910), (45991, 433280), (49720, 400784), (50098, 397760), (52096, 382505), (54160, 367928), (59576, 334480), (65120, 306004), (66896, 297880), (72320, 275539), (74470, 267584), (76501, 260480), (79552, 250490), (83620, 238304), (86656, 229955), (91982, 216640), (99440, 200392), (100196, 198880), (108320, 183964), (119152, 167240), (125245, 159104), (130240, 153002), (133792, 148940)]