20201260800

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 864

約数和(自身を含む): 81024814080

約数和(自身を除く): 60823553280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 29, 30, 32, 35, 40, 42, 48, 50, 56, 58, 60, 64, 70, 71, 73, 75, 80, 84, 87, 96, 100, 105, 112, 116, 120, 128, 140, 142, 145, 146, 150, 160, 168, 174, 175, 192, 200, 203, 210, 213, 219, 224, 232, 240, 256, 280, 284, 290, 292, 300, 320, 336, 348, 350, 355, 365, 384, 400, 406, 420, 426, 435, 438, 448, 464, 480, 497, 511, 525, 560, 568, 580, 584, 600, 609, 640, 672, 696, 700, 710, 725, 730, 768, 800, 812, 840, 852, 870, 876, 896, 928, 960, 994, 1015, 1022, 1050, 1065, 1095, 1120, 1136, 1160, 1168, 1200, 1218, 1280, 1344, 1392, 1400, 1420, 1450, 1460, 1491, 1533, 1600, 1624, 1680, 1704, 1740, 1752, 1775, 1792, 1825, 1856, 1920, 1988, 2030, 2044, 2059, 2100, 2117, 2130, 2175, 2190, 2240, 2272, 2320, 2336, 2400, 2436, 2485, 2555, 2688, 2784, 2800, 2840, 2900, 2920, 2982, 3045, 3066, 3200, 3248, 3360, 3408, 3480, 3504, 3550, 3650, 3712, 3840, 3976, 4060, 4088, 4118, 4200, 4234, 4260, 4350, 4380, 4480, 4544, 4640, 4672, 4800, 4872, 4970, 5075, 5110, 5183, 5325, 5376, 5475, 5568, 5600, 5680, 5800, 5840, 5964, 6090, 6132, 6177, 6351, 6400, 6496, 6720, 6816, 6960, 7008, 7100, 7300, 7424, 7455, 7665, 7952, 8120, 8176, 8236, 8400, 8468, 8520, 8700, 8760, 8960, 9088, 9280, 9344, 9600, 9744, 9940, 10150, 10220, 10295, 10366, 10585, 10650, 10950, 11136, 11200, 11360, 11600, 11680, 11928, 12180, 12264, 12354, 12425, 12702, 12775, 12992, 13440, 13632, 13920, 14016, 14200, 14413, 14600, 14819, 14910, 15225, 15330, 15549, 15904, 16240, 16352, 16472, 16800, 16936, 17040, 17400, 17520, 18176, 18560, 18688, 19200, 19488, 19880, 20300, 20440, 20590, 20732, 21170, 21300, 21900, 22272, 22400, 22720, 23200, 23360, 23856, 24360, 24528, 24708, 24850, 25404, 25550, 25915, 25984, 26880, 27264, 27840, 28032, 28400, 28826, 29200, 29638, 29820, 30450, 30660, 30885, 31098, 31755, 31808, 32480, 32704, 32944, 33600, 33872, 34080, 34800, 35040, 36281, 37120, 37275, 38325, 38976, 39760, 40600, 40880, 41180, 41464, 42340, 42600, 43239, 43800, 44457, 44800, 45440, 46400, 46720, 47712, 48720, 49056, 49416, 49700, 50808, 51100, 51475, 51830, 51968, 52925, 54528, 55680, 56064, 56800, 57652, 58400, 59276, 59640, 60900, 61320, 61770, 62196, 63510, 63616, 64960, 65408, 65888, 67200, 67744, 68160, 69600, 70080, 72065, 72562, 74095, 74550, 76650, 77745, 77952, 79520, 81200, 81760, 82360, 82928, 84680, 85200, 86478, 87600, 88914, 90880, 92800, 93440, 95424, 97440, 98112, 98832, 99400, 101616, 102200, 102950, 103660, 105850, 108843, 111360, 113600, 115304, 116800, 118552, 119280, 121800, 122640, 123540, 124392, 127020, 127232, 129575, 129920, 130816, 131776, 134400, 135488, 136320, 139200, 140160, 144130, 145124, 148190, 149100, 150307, 153300, 154425, 155490, 155904, 158775, 159040, 162400, 163520, 164720, 165856, 169360, 170400, 172956, 175200, 177828, 181405, 185600, 190848, 194880, 196224, 197664, 198800, 203232, 204400, 205900, 207320, 211700, 216195, 217686, 222285, 227200, 230608, 233600, 237104, 238560, 243600, 245280, 247080, 248784, 254040, 259150, 259840, 263552, 270976, 272640, 278400, 280320, 288260, 290248, 296380, 298200, 300614, 306600, 308850, 310980, 317550, 318080, 324800, 327040, 329440, 331712, 338720, 340800, 345912, 350400, 355656, 360325, 362810, 370475, 381696, 388725, 389760, 392448, 395328, 397600, 406464, 408800, 411800, 414640, 423400, 432390, 435372, 444570, 450921, 454400, 461216, 467200, 474208, 477120, 487200, 490560, 494160, 497568, 508080, 518300, 527104, 541952, 544215, 556800, 576520, 580496, 592760, 596400, 601228, 613200, 617700, 621960, 635100, 636160, 649600, 654080, 658880, 663424, 677440, 681600, 691824, 700800, 711312, 720650, 725620, 740950, 751535, 777450, 779520, 790656, 795200, 812928, 817600, 823600, 829280, 846800, 864780, 870744, 889140, 901842, 907025, 922432, 948416, 954240, 974400, 981120, 988320, 995136, 1016160, 1036600, 1052149, 1080975, 1088430, 1111425, 1153040, 1160992, 1185520, 1192800, 1202456, 1226400, 1235400, 1243920, 1270200, 1299200, 1317760, 1326848, 1354880, 1363200, 1383648, 1401600, 1422624, 1441300, 1451240, 1481900, 1503070, 1554900, 1581312, 1590400, 1625856, 1635200, 1647200, 1658560, 1693600, 1729560, 1741488, 1778280, 1803684, 1814050, 1844864, 1896832, 1908480, 1948800, 1962240, 1976640, 1990272, 2032320, 2073200, 2104298, 2161950, 2176860, 2222850, 2254605, 2306080, 2321984, 2371040, 2385600, 2404912, 2452800, 2470800, 2487840, 2540400, 2635520, 2709760, 2721075, 2767296, 2845248, 2882600, 2902480, 2963800, 3006140, 3109800, 3156447, 3180800, 3270400, 3294400, 3317120, 3387200, 3459120, 3482976, 3556560, 3607368, 3628100, 3689728, 3757675, 3793664, 3897600, 3953280, 3980544, 4064640, 4146400, 4208596, 4323900, 4353720, 4445700, 4509210, 4612160, 4643968, 4742080, 4771200, 4809824, 4905600, 4941600, 4975680, 5080800, 5260745, 5442150, 5534592, 5690496, 5765200, 5804960, 5927600, 6012280, 6219600, 6312894, 6588800, 6634240, 6774400, 6918240, 6965952, 7113120, 7214736, 7256200, 7515350, 7906560, 8129280, 8292800, 8417192, 8647800, 8707440, 8891400, 9018420, 9224320, 9287936, 9484160, 9542400, 9619648, 9811200, 9883200, 9951360, 10161600, 10521490, 10884300, 11069184, 11273025, 11380992, 11530400, 11609920, 11855200, 12024560, 12439200, 12625788, 13177600, 13548800, 13836480, 13931904, 14226240, 14429472, 14512400, 15030700, 15782235, 16585600, 16834384, 17295600, 17414880, 17782800, 18036840, 18448640, 18968320, 19239296, 19766400, 19902720, 20323200, 21042980, 21768600, 22546050, 23060800, 23219840, 23710400, 24049120, 24878400, 25251576, 26303725, 27672960, 27863808, 28452480, 28858944, 29024800, 30061400, 31564470, 33171200, 33668768, 34591200, 34829760, 35565600, 36073680, 38478592, 39532800, 40646400, 42085960, 43537200, 45092100, 46121600, 46439680, 47420800, 48098240, 49756800, 50503152, 52607450, 55345920, 56904960, 57717888, 58049600, 60122800, 63128940, 67337536, 69182400, 69659520, 71131200, 72147360, 78911175, 84171920, 87074400, 90184200, 92243200, 94841600, 96196480, 99513600, 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約数ペア:

[(1, 20201260800), (2, 10100630400), (3, 6733753600), (4, 5050315200), (5, 4040252160), (6, 3366876800), (7, 2885894400), (8, 2525157600), (10, 2020126080), (12, 1683438400), (14, 1442947200), (15, 1346750720), (16, 1262578800), (20, 1010063040), (21, 961964800), (24, 841719200), (25, 808050432), (28, 721473600), (29, 696595200), (30, 673375360), (32, 631289400), (35, 577178880), (40, 505031520), (42, 480982400), (48, 420859600), (50, 404025216), (56, 360736800), (58, 348297600), (60, 336687680), (64, 315644700), (70, 288589440), (71, 284524800), (73, 276729600), (75, 269350144), (80, 252515760), (84, 240491200), (87, 232198400), (96, 210429800), (100, 202012608), (105, 192392960), (112, 180368400), (116, 174148800), (120, 168343840), (128, 157822350), (140, 144294720), (142, 142262400), (145, 139319040), (146, 138364800), (150, 134675072), (160, 126257880), (168, 120245600), (174, 116099200), (175, 115435776), (192, 105214900), (200, 101006304), (203, 99513600), (210, 96196480), (213, 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18448640), (1120, 18036840), (1136, 17782800), (1160, 17414880), (1168, 17295600), (1200, 16834384), (1218, 16585600), (1280, 15782235), (1344, 15030700), (1392, 14512400), (1400, 14429472), (1420, 14226240), (1450, 13931904), (1460, 13836480), (1491, 13548800), (1533, 13177600), (1600, 12625788), (1624, 12439200), (1680, 12024560), (1704, 11855200), (1740, 11609920), (1752, 11530400), (1775, 11380992), (1792, 11273025), (1825, 11069184), (1856, 10884300), (1920, 10521490), (1988, 10161600), (2030, 9951360), (2044, 9883200), (2059, 9811200), (2100, 9619648), (2117, 9542400), (2130, 9484160), (2175, 9287936), (2190, 9224320), (2240, 9018420), (2272, 8891400), (2320, 8707440), (2336, 8647800), (2400, 8417192), (2436, 8292800), (2485, 8129280), (2555, 7906560), (2688, 7515350), (2784, 7256200), (2800, 7214736), (2840, 7113120), (2900, 6965952), (2920, 6918240), (2982, 6774400), (3045, 6634240), (3066, 6588800), (3200, 6312894), (3248, 6219600), (3360, 6012280), (3408, 5927600), (3480, 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(20732, 974400), (21170, 954240), (21300, 948416), (21900, 922432), (22272, 907025), (22400, 901842), (22720, 889140), (23200, 870744), (23360, 864780), (23856, 846800), (24360, 829280), (24528, 823600), (24708, 817600), (24850, 812928), (25404, 795200), (25550, 790656), (25915, 779520), (25984, 777450), (26880, 751535), (27264, 740950), (27840, 725620), (28032, 720650), (28400, 711312), (28826, 700800), (29200, 691824), (29638, 681600), (29820, 677440), (30450, 663424), (30660, 658880), (30885, 654080), (31098, 649600), (31755, 636160), (31808, 635100), (32480, 621960), (32704, 617700), (32944, 613200), (33600, 601228), (33872, 596400), (34080, 592760), (34800, 580496), (35040, 576520), (36281, 556800), (37120, 544215), (37275, 541952), (38325, 527104), (38976, 518300), (39760, 508080), (40600, 497568), (40880, 494160), (41180, 490560), (41464, 487200), (42340, 477120), (42600, 474208), (43239, 467200), (43800, 461216), (44457, 454400), (44800, 450921), (45440, 444570), (46400, 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