20681256960

素因数分解:

$2^{12}\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 1040

約数和(自身を含む): 91911669696

約数和(自身を除く): 71230412736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 81, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 137, 140, 144, 156, 160, 162, 168, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 252, 256, 260, 270, 273, 274, 280, 288, 312, 315, 320, 324, 336, 351, 360, 364, 378, 384, 390, 405, 411, 416, 420, 432, 448, 455, 468, 480, 504, 512, 520, 540, 546, 548, 560, 567, 576, 585, 624, 630, 640, 648, 672, 685, 702, 720, 728, 756, 768, 780, 810, 819, 822, 832, 840, 864, 896, 910, 936, 945, 959, 960, 1008, 1024, 1040, 1053, 1080, 1092, 1096, 1120, 1134, 1152, 1170, 1233, 1248, 1260, 1280, 1296, 1344, 1365, 1370, 1404, 1440, 1456, 1512, 1536, 1560, 1620, 1638, 1644, 1664, 1680, 1728, 1755, 1781, 1792, 1820, 1872, 1890, 1918, 1920, 2016, 2048, 2055, 2080, 2106, 2160, 2184, 2192, 2240, 2268, 2304, 2340, 2457, 2466, 2496, 2520, 2560, 2592, 2688, 2730, 2740, 2808, 2835, 2877, 2880, 2912, 3024, 3072, 3120, 3240, 3276, 3288, 3328, 3360, 3456, 3510, 3562, 3584, 3640, 3699, 3744, 3780, 3836, 3840, 4032, 4095, 4096, 4110, 4160, 4212, 4320, 4368, 4384, 4480, 4536, 4608, 4680, 4795, 4914, 4932, 4992, 5040, 5120, 5184, 5265, 5343, 5376, 5460, 5480, 5616, 5670, 5754, 5760, 5824, 6048, 6144, 6165, 6240, 6480, 6552, 6576, 6656, 6720, 6912, 7020, 7124, 7168, 7280, 7371, 7398, 7488, 7560, 7672, 7680, 8064, 8190, 8220, 8320, 8424, 8631, 8640, 8736, 8768, 8905, 8960, 9072, 9216, 9360, 9590, 9828, 9864, 9984, 10080, 10240, 10368, 10530, 10686, 10752, 10920, 10960, 11097, 11232, 11340, 11508, 11520, 11648, 12096, 12285, 12288, 12330, 12467, 12480, 12960, 13104, 13152, 13312, 13440, 13824, 14040, 14248, 14336, 14385, 14560, 14742, 14796, 14976, 15120, 15344, 15360, 16029, 16128, 16380, 16440, 16640, 16848, 17262, 17280, 17472, 17536, 17810, 17920, 18144, 18432, 18495, 18720, 19180, 19656, 19728, 19968, 20160, 20480, 20736, 21060, 21372, 21504, 21840, 21920, 22194, 22464, 22680, 23016, 23040, 23296, 24192, 24570, 24660, 24934, 24960, 25893, 25920, 26208, 26304, 26624, 26715, 26880, 27648, 28080, 28496, 28672, 28770, 29120, 29484, 29592, 29952, 30240, 30688, 30720, 32058, 32256, 32760, 32880, 33280, 33696, 34524, 34560, 34944, 35072, 35620, 35840, 36288, 36855, 36864, 36990, 37401, 37440, 38360, 39312, 39456, 39936, 40320, 41472, 42120, 42744, 43008, 43155, 43680, 43840, 44388, 44928, 45360, 46032, 46080, 46592, 48087, 48384, 49140, 49320, 49868, 49920, 51786, 51840, 52416, 52608, 53248, 53430, 53760, 55296, 55485, 56160, 56992, 57540, 58240, 58968, 59184, 59904, 60480, 61376, 61440, 62335, 64116, 64512, 65520, 65760, 66560, 67392, 69048, 69120, 69888, 70144, 71240, 71680, 72576, 73710, 73980, 74802, 74880, 76720, 77679, 78624, 78912, 79872, 80145, 80640, 82944, 84240, 85488, 86016, 86310, 87360, 87680, 88776, 89856, 90720, 92064, 92160, 93184, 96174, 96768, 98280, 98640, 99736, 99840, 103572, 103680, 104832, 105216, 106860, 107520, 110592, 110970, 112203, 112320, 113984, 115080, 116480, 117936, 118368, 119808, 120960, 122752, 124670, 128232, 129024, 129465, 131040, 131520, 133120, 134784, 138096, 138240, 139776, 140288, 142480, 143360, 144261, 145152, 147420, 147960, 149604, 149760, 153440, 155358, 157248, 157824, 159744, 160290, 161280, 165888, 168480, 170976, 172620, 174720, 175360, 177552, 179712, 181440, 184128, 184320, 186368, 187005, 192348, 193536, 196560, 197280, 199472, 199680, 207144, 207360, 209664, 210432, 213720, 215040, 221940, 224406, 224640, 227968, 230160, 232960, 235872, 236736, 239616, 240435, 241920, 245504, 249340, 256464, 258048, 258930, 262080, 263040, 266240, 269568, 276192, 276480, 279552, 280576, 284960, 288522, 290304, 294840, 295920, 299208, 299520, 306880, 310716, 314496, 315648, 320580, 322560, 331776, 336609, 336960, 341952, 345240, 349440, 350720, 355104, 359424, 362880, 368256, 372736, 374010, 384696, 387072, 388395, 393120, 394560, 398944, 399360, 414288, 414720, 419328, 420864, 427440, 430080, 443880, 448812, 449280, 455936, 460320, 465920, 471744, 473472, 479232, 480870, 483840, 491008, 498680, 512928, 517860, 524160, 526080, 539136, 552384, 552960, 559104, 561015, 561152, 569920, 577044, 580608, 589680, 591840, 598416, 599040, 613760, 621432, 628992, 631296, 641160, 645120, 673218, 673920, 683904, 690480, 698880, 701440, 710208, 718848, 721305, 725760, 736512, 748020, 769392, 774144, 776790, 786240, 789120, 797888, 798720, 828576, 829440, 838656, 841728, 854880, 887760, 897624, 898560, 911872, 920640, 931840, 943488, 946944, 961740, 967680, 982016, 997360, 1009827, 1025856, 1035720, 1048320, 1052160, 1078272, 1104768, 1118208, 1122030, 1139840, 1154088, 1161216, 1179360, 1183680, 1196832, 1198080, 1227520, 1242864, 1257984, 1262592, 1282320, 1290240, 1346436, 1347840, 1367808, 1380960, 1397760, 1402880, 1420416, 1437696, 1442610, 1451520, 1473024, 1496040, 1538784, 1553580, 1572480, 1578240, 1595776, 1657152, 1658880, 1677312, 1683045, 1683456, 1709760, 1775520, 1795248, 1797120, 1823744, 1841280, 1863680, 1886976, 1893888, 1923480, 1935360, 1964032, 1994720, 2019654, 2051712, 2071440, 2096640, 2104320, 2156544, 2209536, 2244060, 2279680, 2308176, 2322432, 2358720, 2367360, 2393664, 2396160, 2455040, 2485728, 2515968, 2525184, 2564640, 2692872, 2695680, 2735616, 2761920, 2795520, 2805760, 2840832, 2885220, 2903040, 2946048, 2992080, 3077568, 3107160, 3144960, 3156480, 3191552, 3314304, 3354624, 3366090, 3419520, 3551040, 3590496, 3594240, 3647488, 3682560, 3773952, 3787776, 3846960, 3870720, 3928064, 3989440, 4039308, 4103424, 4142880, 4193280, 4208640, 4313088, 4419072, 4488120, 4559360, 4616352, 4717440, 4734720, 4787328, 4910080, 4971456, 5031936, 5049135, 5050368, 5129280, 5385744, 5391360, 5471232, 5523840, 5591040, 5681664, 5770440, 5806080, 5892096, 5984160, 6155136, 6214320, 6289920, 6312960, 6383104, 6628608, 6732180, 6839040, 7102080, 7180992, 7188480, 7294976, 7365120, 7547904, 7575552, 7693920, 7978880, 8078616, 8206848, 8285760, 8386560, 8417280, 8838144, 8976240, 9118720, 9232704, 9434880, 9469440, 9574656, 9820160, 9942912, 10063872, 10098270, 10258560, 10771488, 10782720, 10942464, 11047680, 11363328, 11540880, 11612160, 11784192, 11968320, 12310272, 12428640, 12579840, 12625920, 12766208, 13257216, 13464360, 13678080, 14204160, 14361984, 14730240, 15095808, 15151104, 15387840, 15957760, 16157232, 16413696, 16571520, 16773120, 17676288, 17952480, 18237440, 18465408, 18869760, 18938880, 19149312, 19640320, 19885824, 20196540, 20517120, 21542976, 21565440, 21884928, 22095360, 22726656, 23081760, 23936640, 24620544, 24857280, 25159680, 25251840, 25532416, 26514432, 26928720, 27356160, 28408320, 28723968, 29460480, 30191616, 30775680, 31915520, 32314464, 32827392, 33143040, 35352576, 35904960, 36474880, 36930816, 37739520, 37877760, 38298624, 39771648, 40393080, 41034240, 43085952, 44190720, 45453312, 46163520, 47873280, 49241088, 49714560, 50319360, 51064832, 53028864, 53857440, 54712320, 56816640, 57447936, 58920960, 61551360, 63831040, 64628928, 65654784, 66286080, 71809920, 73861632, 75479040, 75755520, 76597248, 79543296, 80786160, 82068480, 86171904, 88381440, 92327040, 95746560, 98482176, 99429120, 106057728, 107714880, 109424640, 113633280, 114895872, 123102720, 127662080, 129257856, 132572160, 143619840, 147723264, 150958080, 153194496, 159086592, 161572320, 164136960, 172343808, 176762880, 184654080, 191493120, 196964352, 198858240, 215429760, 227266560, 229791744, 246205440, 255324160, 258515712, 265144320, 287239680, 295446528, 318173184, 323144640, 328273920, 344687616, 369308160, 382986240, 397716480, 430859520, 459583488, 492410880, 517031424, 530288640, 574479360, 590893056, 646289280, 689375232, 738616320, 765972480, 795432960, 861719040, 984821760, 1034062848, 1148958720, 1292578560, 1378750464, 1477232640, 1590865920, 1723438080, 2068125696, 2297917440, 2585157120, 2954465280, 3446876160, 4136251392, 5170314240, 6893752320, 10340628480, 20681256960]

約数ペア:

[(1, 20681256960), (2, 10340628480), (3, 6893752320), (4, 5170314240), (5, 4136251392), (6, 3446876160), (7, 2954465280), (8, 2585157120), (9, 2297917440), (10, 2068125696), (12, 1723438080), (13, 1590865920), (14, 1477232640), (15, 1378750464), (16, 1292578560), (18, 1148958720), (20, 1034062848), (21, 984821760), (24, 861719040), (26, 795432960), (27, 765972480), (28, 738616320), (30, 689375232), (32, 646289280), (35, 590893056), (36, 574479360), (39, 530288640), (40, 517031424), (42, 492410880), (45, 459583488), (48, 430859520), (52, 397716480), (54, 382986240), (56, 369308160), (60, 344687616), (63, 328273920), (64, 323144640), (65, 318173184), (70, 295446528), (72, 287239680), (78, 265144320), (80, 258515712), (81, 255324160), (84, 246205440), (90, 229791744), (91, 227266560), (96, 215429760), (104, 198858240), (105, 196964352), (108, 191493120), (112, 184654080), (117, 176762880), (120, 172343808), (126, 164136960), (128, 161572320), (130, 159086592), (135, 153194496), (137, 150958080), (140, 147723264), (144, 143619840), (156, 132572160), (160, 129257856), (162, 127662080), (168, 123102720), (180, 114895872), (182, 113633280), (189, 109424640), (192, 107714880), (195, 106057728), (208, 99429120), (210, 98482176), (216, 95746560), (224, 92327040), (234, 88381440), (240, 86171904), (252, 82068480), (256, 80786160), (260, 79543296), (270, 76597248), (273, 75755520), (274, 75479040), (280, 73861632), (288, 71809920), (312, 66286080), (315, 65654784), (320, 64628928), (324, 63831040), (336, 61551360), (351, 58920960), (360, 57447936), (364, 56816640), (378, 54712320), (384, 53857440), (390, 53028864), (405, 51064832), (411, 50319360), (416, 49714560), (420, 49241088), (432, 47873280), (448, 46163520), (455, 45453312), (468, 44190720), (480, 43085952), (504, 41034240), (512, 40393080), (520, 39771648), (540, 38298624), (546, 37877760), (548, 37739520), (560, 36930816), (567, 36474880), (576, 35904960), (585, 35352576), (624, 33143040), (630, 32827392), (640, 32314464), (648, 31915520), (672, 30775680), (685, 30191616), (702, 29460480), (720, 28723968), (728, 28408320), (756, 27356160), (768, 26928720), (780, 26514432), (810, 25532416), (819, 25251840), (822, 25159680), (832, 24857280), (840, 24620544), (864, 23936640), (896, 23081760), (910, 22726656), (936, 22095360), (945, 21884928), (959, 21565440), (960, 21542976), (1008, 20517120), (1024, 20196540), (1040, 19885824), (1053, 19640320), (1080, 19149312), (1092, 18938880), (1096, 18869760), (1120, 18465408), (1134, 18237440), (1152, 17952480), (1170, 17676288), (1233, 16773120), (1248, 16571520), (1260, 16413696), (1280, 16157232), (1296, 15957760), (1344, 15387840), (1365, 15151104), (1370, 15095808), (1404, 14730240), (1440, 14361984), (1456, 14204160), (1512, 13678080), (1536, 13464360), (1560, 13257216), (1620, 12766208), (1638, 12625920), (1644, 12579840), (1664, 12428640), (1680, 12310272), (1728, 11968320), (1755, 11784192), (1781, 11612160), (1792, 11540880), (1820, 11363328), (1872, 11047680), (1890, 10942464), (1918, 10782720), (1920, 10771488), (2016, 10258560), (2048, 10098270), (2055, 10063872), (2080, 9942912), (2106, 9820160), (2160, 9574656), (2184, 9469440), (2192, 9434880), (2240, 9232704), (2268, 9118720), (2304, 8976240), (2340, 8838144), (2457, 8417280), (2466, 8386560), (2496, 8285760), (2520, 8206848), (2560, 8078616), (2592, 7978880), (2688, 7693920), (2730, 7575552), (2740, 7547904), (2808, 7365120), (2835, 7294976), (2877, 7188480), (2880, 7180992), (2912, 7102080), (3024, 6839040), (3072, 6732180), (3120, 6628608), (3240, 6383104), (3276, 6312960), (3288, 6289920), (3328, 6214320), (3360, 6155136), (3456, 5984160), (3510, 5892096), (3562, 5806080), (3584, 5770440), (3640, 5681664), (3699, 5591040), (3744, 5523840), (3780, 5471232), (3836, 5391360), (3840, 5385744), (4032, 5129280), (4095, 5050368), (4096, 5049135), (4110, 5031936), (4160, 4971456), (4212, 4910080), (4320, 4787328), (4368, 4734720), (4384, 4717440), (4480, 4616352), (4536, 4559360), (4608, 4488120), (4680, 4419072), (4795, 4313088), (4914, 4208640), (4932, 4193280), (4992, 4142880), (5040, 4103424), (5120, 4039308), (5184, 3989440), (5265, 3928064), (5343, 3870720), (5376, 3846960), (5460, 3787776), (5480, 3773952), (5616, 3682560), (5670, 3647488), (5754, 3594240), (5760, 3590496), (5824, 3551040), (6048, 3419520), (6144, 3366090), (6165, 3354624), (6240, 3314304), (6480, 3191552), (6552, 3156480), (6576, 3144960), (6656, 3107160), (6720, 3077568), (6912, 2992080), (7020, 2946048), (7124, 2903040), (7168, 2885220), (7280, 2840832), (7371, 2805760), (7398, 2795520), (7488, 2761920), (7560, 2735616), (7672, 2695680), (7680, 2692872), (8064, 2564640), (8190, 2525184), (8220, 2515968), (8320, 2485728), (8424, 2455040), (8631, 2396160), (8640, 2393664), (8736, 2367360), (8768, 2358720), (8905, 2322432), (8960, 2308176), (9072, 2279680), (9216, 2244060), (9360, 2209536), (9590, 2156544), (9828, 2104320), (9864, 2096640), (9984, 2071440), (10080, 2051712), (10240, 2019654), (10368, 1994720), (10530, 1964032), (10686, 1935360), (10752, 1923480), (10920, 1893888), (10960, 1886976), (11097, 1863680), (11232, 1841280), (11340, 1823744), (11508, 1797120), (11520, 1795248), (11648, 1775520), (12096, 1709760), (12285, 1683456), (12288, 1683045), (12330, 1677312), (12467, 1658880), (12480, 1657152), (12960, 1595776), (13104, 1578240), (13152, 1572480), (13312, 1553580), (13440, 1538784), (13824, 1496040), (14040, 1473024), (14248, 1451520), (14336, 1442610), (14385, 1437696), (14560, 1420416), (14742, 1402880), (14796, 1397760), (14976, 1380960), (15120, 1367808), (15344, 1347840), (15360, 1346436), (16029, 1290240), (16128, 1282320), (16380, 1262592), (16440, 1257984), (16640, 1242864), (16848, 1227520), (17262, 1198080), (17280, 1196832), (17472, 1183680), (17536, 1179360), (17810, 1161216), (17920, 1154088), (18144, 1139840), (18432, 1122030), (18495, 1118208), (18720, 1104768), (19180, 1078272), (19656, 1052160), (19728, 1048320), (19968, 1035720), (20160, 1025856), (20480, 1009827), (20736, 997360), (21060, 982016), (21372, 967680), (21504, 961740), (21840, 946944), (21920, 943488), (22194, 931840), (22464, 920640), (22680, 911872), (23016, 898560), (23040, 897624), (23296, 887760), (24192, 854880), (24570, 841728), (24660, 838656), (24934, 829440), (24960, 828576), (25893, 798720), (25920, 797888), (26208, 789120), (26304, 786240), (26624, 776790), (26715, 774144), (26880, 769392), (27648, 748020), (28080, 736512), (28496, 725760), (28672, 721305), (28770, 718848), (29120, 710208), (29484, 701440), (29592, 698880), (29952, 690480), (30240, 683904), (30688, 673920), (30720, 673218), (32058, 645120), (32256, 641160), (32760, 631296), (32880, 628992), (33280, 621432), (33696, 613760), (34524, 599040), (34560, 598416), (34944, 591840), (35072, 589680), (35620, 580608), (35840, 577044), (36288, 569920), (36855, 561152), (36864, 561015), (36990, 559104), (37401, 552960), (37440, 552384), (38360, 539136), (39312, 526080), (39456, 524160), (39936, 517860), (40320, 512928), (41472, 498680), (42120, 491008), (42744, 483840), (43008, 480870), (43155, 479232), (43680, 473472), (43840, 471744), (44388, 465920), (44928, 460320), (45360, 455936), (46032, 449280), (46080, 448812), (46592, 443880), (48087, 430080), (48384, 427440), (49140, 420864), (49320, 419328), (49868, 414720), (49920, 414288), (51786, 399360), (51840, 398944), (52416, 394560), (52608, 393120), (53248, 388395), (53430, 387072), (53760, 384696), (55296, 374010), (55485, 372736), (56160, 368256), (56992, 362880), (57540, 359424), (58240, 355104), (58968, 350720), (59184, 349440), (59904, 345240), (60480, 341952), (61376, 336960), (61440, 336609), (62335, 331776), (64116, 322560), (64512, 320580), (65520, 315648), (65760, 314496), (66560, 310716), (67392, 306880), (69048, 299520), (69120, 299208), (69888, 295920), (70144, 294840), (71240, 290304), (71680, 288522), (72576, 284960), (73710, 280576), (73980, 279552), (74802, 276480), (74880, 276192), (76720, 269568), (77679, 266240), (78624, 263040), (78912, 262080), (79872, 258930), (80145, 258048), (80640, 256464), (82944, 249340), (84240, 245504), (85488, 241920), (86016, 240435), (86310, 239616), (87360, 236736), (87680, 235872), (88776, 232960), (89856, 230160), (90720, 227968), (92064, 224640), (92160, 224406), (93184, 221940), (96174, 215040), (96768, 213720), (98280, 210432), (98640, 209664), (99736, 207360), (99840, 207144), (103572, 199680), (103680, 199472), (104832, 197280), (105216, 196560), (106860, 193536), (107520, 192348), (110592, 187005), (110970, 186368), (112203, 184320), (112320, 184128), (113984, 181440), (115080, 179712), (116480, 177552), (117936, 175360), (118368, 174720), (119808, 172620), (120960, 170976), (122752, 168480), (124670, 165888), (128232, 161280), (129024, 160290), (129465, 159744), (131040, 157824), (131520, 157248), (133120, 155358), (134784, 153440), (138096, 149760), (138240, 149604), (139776, 147960), (140288, 147420), (142480, 145152), (143360, 144261)]