20878663680

素因数分解:

$2^{13}\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 1120

約数和(自身を含む): 91346365440

約数和(自身を除く): 70467701760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 62, 63, 64, 70, 72, 80, 81, 84, 87, 90, 93, 96, 105, 108, 112, 116, 120, 124, 126, 128, 135, 140, 144, 145, 155, 160, 162, 168, 174, 180, 186, 189, 192, 203, 210, 216, 217, 224, 232, 240, 248, 252, 256, 261, 270, 279, 280, 288, 290, 310, 315, 320, 324, 336, 348, 360, 372, 378, 384, 405, 406, 420, 432, 434, 435, 448, 464, 465, 480, 496, 504, 512, 522, 540, 558, 560, 567, 576, 580, 609, 620, 630, 640, 648, 651, 672, 696, 720, 744, 756, 768, 783, 810, 812, 837, 840, 864, 868, 870, 896, 899, 928, 930, 945, 960, 992, 1008, 1015, 1024, 1044, 1080, 1085, 1116, 1120, 1134, 1152, 1160, 1218, 1240, 1260, 1280, 1296, 1302, 1305, 1344, 1392, 1395, 1440, 1488, 1512, 1536, 1566, 1620, 1624, 1674, 1680, 1728, 1736, 1740, 1792, 1798, 1827, 1856, 1860, 1890, 1920, 1953, 1984, 2016, 2030, 2048, 2088, 2160, 2170, 2232, 2240, 2268, 2304, 2320, 2349, 2436, 2480, 2511, 2520, 2560, 2592, 2604, 2610, 2688, 2697, 2784, 2790, 2835, 2880, 2976, 3024, 3045, 3072, 3132, 3240, 3248, 3255, 3348, 3360, 3456, 3472, 3480, 3584, 3596, 3654, 3712, 3720, 3780, 3840, 3906, 3915, 3968, 4032, 4060, 4096, 4176, 4185, 4320, 4340, 4464, 4480, 4495, 4536, 4608, 4640, 4698, 4872, 4960, 5022, 5040, 5120, 5184, 5208, 5220, 5376, 5394, 5481, 5568, 5580, 5670, 5760, 5859, 5952, 6048, 6090, 6144, 6264, 6293, 6480, 6496, 6510, 6696, 6720, 6912, 6944, 6960, 7168, 7192, 7308, 7424, 7440, 7560, 7680, 7812, 7830, 7936, 8064, 8091, 8120, 8192, 8352, 8370, 8640, 8680, 8928, 8960, 8990, 9072, 9135, 9216, 9280, 9396, 9744, 9765, 9920, 10044, 10080, 10240, 10368, 10416, 10440, 10752, 10788, 10962, 11136, 11160, 11340, 11520, 11718, 11745, 11904, 12096, 12180, 12288, 12528, 12555, 12586, 12960, 12992, 13020, 13392, 13440, 13485, 13824, 13888, 13920, 14336, 14384, 14616, 14848, 14880, 15120, 15360, 15624, 15660, 15872, 16128, 16182, 16240, 16443, 16704, 16740, 17280, 17360, 17577, 17856, 17920, 17980, 18144, 18270, 18432, 18560, 18792, 18879, 19488, 19530, 19840, 20088, 20160, 20480, 20736, 20832, 20880, 21504, 21576, 21924, 22272, 22320, 22680, 23040, 23436, 23490, 23808, 24192, 24273, 24360, 24576, 25056, 25110, 25172, 25920, 25984, 26040, 26784, 26880, 26970, 27405, 27648, 27776, 27840, 28672, 28768, 29232, 29295, 29696, 29760, 30240, 30720, 31248, 31320, 31465, 31744, 32256, 32364, 32480, 32886, 33408, 33480, 34560, 34720, 35154, 35712, 35840, 35960, 36288, 36540, 36864, 37120, 37584, 37758, 38976, 39060, 39680, 40176, 40320, 40455, 40960, 41472, 41664, 41760, 43008, 43152, 43848, 44544, 44640, 45360, 46080, 46872, 46980, 47616, 48384, 48546, 48720, 50112, 50220, 50344, 51840, 51968, 52080, 53568, 53760, 53940, 54810, 55296, 55552, 55680, 56637, 57344, 57536, 58464, 58590, 59392, 59520, 60480, 61440, 62496, 62640, 62930, 63488, 64512, 64728, 64960, 65772, 66816, 66960, 69120, 69440, 70308, 71424, 71680, 71920, 72576, 72819, 73080, 73728, 74240, 75168, 75516, 77952, 78120, 79360, 80352, 80640, 80910, 82215, 82944, 83328, 83520, 86016, 86304, 87696, 87885, 89088, 89280, 90720, 92160, 93744, 93960, 94395, 95232, 96768, 97092, 97440, 100224, 100440, 100688, 103680, 103936, 104160, 107136, 107520, 107880, 109620, 110592, 111104, 111360, 113274, 115072, 116928, 117180, 118784, 119040, 120960, 121365, 122880, 124992, 125280, 125860, 126976, 129024, 129456, 129920, 131544, 133632, 133920, 138240, 138880, 140616, 142848, 143360, 143840, 145152, 145638, 146160, 148480, 150336, 151032, 155904, 156240, 158720, 160704, 161280, 161820, 164430, 165888, 166656, 167040, 169911, 172032, 172608, 175392, 175770, 178176, 178560, 181440, 184320, 187488, 187920, 188790, 190464, 193536, 194184, 194880, 200448, 200880, 201376, 207360, 207872, 208320, 214272, 215040, 215760, 219240, 221184, 222208, 222720, 226548, 230144, 233856, 234360, 237568, 238080, 241920, 242730, 249984, 250560, 251720, 253952, 258048, 258912, 259840, 263088, 267264, 267840, 276480, 277760, 281232, 283185, 285696, 286720, 287680, 290304, 291276, 292320, 296960, 300672, 302064, 311808, 312480, 317440, 321408, 322560, 323640, 328860, 331776, 333312, 334080, 339822, 345216, 350784, 351540, 356352, 357120, 362880, 364095, 368640, 374976, 375840, 377580, 380928, 387072, 388368, 389760, 400896, 401760, 402752, 414720, 415744, 416640, 428544, 430080, 431520, 438480, 444416, 445440, 453096, 460288, 467712, 468720, 476160, 483840, 485460, 499968, 501120, 503440, 509733, 516096, 517824, 519680, 526176, 534528, 535680, 552960, 555520, 562464, 566370, 571392, 575360, 580608, 582552, 584640, 593920, 601344, 604128, 623616, 624960, 634880, 642816, 645120, 647280, 657720, 663552, 666624, 668160, 679644, 690432, 701568, 703080, 712704, 714240, 725760, 728190, 749952, 751680, 755160, 761856, 774144, 776736, 779520, 801792, 803520, 805504, 829440, 831488, 833280, 849555, 857088, 860160, 863040, 876960, 888832, 890880, 906192, 920576, 935424, 937440, 952320, 967680, 970920, 999936, 1002240, 1006880, 1019466, 1035648, 1039360, 1052352, 1069056, 1071360, 1105920, 1111040, 1124928, 1132740, 1142784, 1150720, 1161216, 1165104, 1169280, 1187840, 1202688, 1208256, 1247232, 1249920, 1269760, 1285632, 1290240, 1294560, 1315440, 1333248, 1336320, 1359288, 1380864, 1403136, 1406160, 1428480, 1451520, 1456380, 1499904, 1503360, 1510320, 1548288, 1553472, 1559040, 1603584, 1607040, 1611008, 1658880, 1662976, 1666560, 1699110, 1714176, 1726080, 1753920, 1777664, 1781760, 1812384, 1841152, 1870848, 1874880, 1904640, 1935360, 1941840, 1999872, 2004480, 2013760, 2038932, 2071296, 2078720, 2104704, 2138112, 2142720, 2222080, 2249856, 2265480, 2285568, 2301440, 2322432, 2330208, 2338560, 2405376, 2416512, 2494464, 2499840, 2548665, 2571264, 2580480, 2589120, 2630880, 2666496, 2672640, 2718576, 2761728, 2806272, 2812320, 2856960, 2903040, 2912760, 2999808, 3006720, 3020640, 3106944, 3118080, 3207168, 3214080, 3222016, 3317760, 3333120, 3398220, 3428352, 3452160, 3507840, 3563520, 3624768, 3682304, 3741696, 3749760, 3809280, 3870720, 3883680, 3999744, 4008960, 4027520, 4077864, 4142592, 4157440, 4209408, 4285440, 4444160, 4499712, 4530960, 4602880, 4644864, 4660416, 4677120, 4810752, 4833024, 4988928, 4999680, 5097330, 5142528, 5178240, 5261760, 5332992, 5345280, 5437152, 5523456, 5612544, 5624640, 5713920, 5806080, 5825520, 5999616, 6013440, 6041280, 6213888, 6236160, 6414336, 6428160, 6444032, 6666240, 6796440, 6856704, 6904320, 7015680, 7249536, 7364608, 7483392, 7499520, 7741440, 7767360, 7999488, 8017920, 8055040, 8155728, 8285184, 8314880, 8418816, 8570880, 8888320, 8999424, 9061920, 9205760, 9320832, 9354240, 9621504, 9666048, 9999360, 10194660, 10285056, 10356480, 10523520, 10690560, 10874304, 11046912, 11225088, 11249280, 11427840, 11612160, 11651040, 11999232, 12026880, 12082560, 12427776, 12472320, 12856320, 12888064, 13332480, 13592880, 13808640, 14031360, 14499072, 14966784, 14999040, 15534720, 15998976, 16035840, 16110080, 16311456, 16570368, 16837632, 17141760, 17998848, 18123840, 18411520, 18641664, 18708480, 19243008, 19332096, 19998720, 20389320, 20570112, 20712960, 21047040, 21748608, 22093824, 22450176, 22498560, 23224320, 23302080, 23998464, 24053760, 24165120, 24855552, 24944640, 25712640, 25776128, 26664960, 27185760, 27617280, 28062720, 28998144, 29998080, 31069440, 32071680, 32220160, 32622912, 33140736, 33675264, 34283520, 35997696, 36247680, 36823040, 37283328, 37416960, 38664192, 39997440, 40778640, 41425920, 42094080, 43497216, 44900352, 44997120, 46604160, 47996928, 48107520, 48330240, 49711104, 51425280, 51552256, 54371520, 55234560, 56125440, 57996288, 59996160, 62138880, 64440320, 65245824, 66281472, 67350528, 71995392, 72495360, 74566656, 74833920, 77328384, 79994880, 81557280, 82851840, 84188160, 86994432, 89994240, 93208320, 96215040, 96660480, 99422208, 102850560, 108743040, 110469120, 112250880, 115992576, 119992320, 124277760, 128880640, 130491648, 134701056, 143990784, 144990720, 149133312, 154656768, 163114560, 165703680, 168376320, 173988864, 179988480, 186416640, 193320960, 198844416, 217486080, 224501760, 231985152, 239984640, 248555520, 257761280, 260983296, 289981440, 298266624, 326229120, 331407360, 336752640, 347977728, 359976960, 372833280, 386641920, 434972160, 463970304, 497111040, 521966592, 579962880, 596533248, 652458240, 673505280, 695955456, 719953920, 745666560, 773283840, 869944320, 994222080, 1043933184, 1159925760, 1304916480, 1391910912, 1491333120, 1739888640, 2087866368, 2319851520, 2609832960, 2982666240, 3479777280, 4175732736, 5219665920, 6959554560, 10439331840, 20878663680]

約数ペア:

[(1, 20878663680), (2, 10439331840), (3, 6959554560), (4, 5219665920), (5, 4175732736), (6, 3479777280), (7, 2982666240), (8, 2609832960), (9, 2319851520), (10, 2087866368), (12, 1739888640), (14, 1491333120), (15, 1391910912), (16, 1304916480), (18, 1159925760), (20, 1043933184), (21, 994222080), (24, 869944320), (27, 773283840), (28, 745666560), (29, 719953920), (30, 695955456), (31, 673505280), (32, 652458240), (35, 596533248), (36, 579962880), (40, 521966592), (42, 497111040), (45, 463970304), (48, 434972160), (54, 386641920), (56, 372833280), (58, 359976960), (60, 347977728), (62, 336752640), (63, 331407360), (64, 326229120), (70, 298266624), (72, 289981440), (80, 260983296), (81, 257761280), (84, 248555520), (87, 239984640), (90, 231985152), (93, 224501760), (96, 217486080), (105, 198844416), (108, 193320960), (112, 186416640), (116, 179988480), (120, 173988864), (124, 168376320), (126, 165703680), (128, 163114560), (135, 154656768), (140, 149133312), (144, 144990720), (145, 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33140736), (640, 32622912), (648, 32220160), (651, 32071680), (672, 31069440), (696, 29998080), (720, 28998144), (744, 28062720), (756, 27617280), (768, 27185760), (783, 26664960), (810, 25776128), (812, 25712640), (837, 24944640), (840, 24855552), (864, 24165120), (868, 24053760), (870, 23998464), (896, 23302080), (899, 23224320), (928, 22498560), (930, 22450176), (945, 22093824), (960, 21748608), (992, 21047040), (1008, 20712960), (1015, 20570112), (1024, 20389320), (1044, 19998720), (1080, 19332096), (1085, 19243008), (1116, 18708480), (1120, 18641664), (1134, 18411520), (1152, 18123840), (1160, 17998848), (1218, 17141760), (1240, 16837632), (1260, 16570368), (1280, 16311456), (1296, 16110080), (1302, 16035840), (1305, 15998976), (1344, 15534720), (1392, 14999040), (1395, 14966784), (1440, 14499072), (1488, 14031360), (1512, 13808640), (1536, 13592880), (1566, 13332480), (1620, 12888064), (1624, 12856320), (1674, 12472320), (1680, 12427776), (1728, 12082560), (1736, 12026880), (1740, 11999232), (1792, 11651040), (1798, 11612160), (1827, 11427840), (1856, 11249280), (1860, 11225088), (1890, 11046912), (1920, 10874304), (1953, 10690560), (1984, 10523520), (2016, 10356480), (2030, 10285056), (2048, 10194660), (2088, 9999360), (2160, 9666048), (2170, 9621504), (2232, 9354240), (2240, 9320832), (2268, 9205760), (2304, 9061920), (2320, 8999424), (2349, 8888320), (2436, 8570880), (2480, 8418816), (2511, 8314880), (2520, 8285184), (2560, 8155728), (2592, 8055040), (2604, 8017920), (2610, 7999488), (2688, 7767360), (2697, 7741440), (2784, 7499520), (2790, 7483392), (2835, 7364608), (2880, 7249536), (2976, 7015680), (3024, 6904320), (3045, 6856704), (3072, 6796440), (3132, 6666240), (3240, 6444032), (3248, 6428160), (3255, 6414336), (3348, 6236160), (3360, 6213888), (3456, 6041280), (3472, 6013440), (3480, 5999616), (3584, 5825520), (3596, 5806080), (3654, 5713920), (3712, 5624640), (3720, 5612544), (3780, 5523456), (3840, 5437152), (3906, 5345280), (3915, 5332992), (3968, 5261760), (4032, 5178240), (4060, 5142528), (4096, 5097330), (4176, 4999680), (4185, 4988928), (4320, 4833024), (4340, 4810752), (4464, 4677120), (4480, 4660416), (4495, 4644864), (4536, 4602880), (4608, 4530960), (4640, 4499712), (4698, 4444160), (4872, 4285440), (4960, 4209408), (5022, 4157440), (5040, 4142592), (5120, 4077864), (5184, 4027520), (5208, 4008960), (5220, 3999744), (5376, 3883680), (5394, 3870720), (5481, 3809280), (5568, 3749760), (5580, 3741696), (5670, 3682304), (5760, 3624768), (5859, 3563520), (5952, 3507840), (6048, 3452160), (6090, 3428352), (6144, 3398220), (6264, 3333120), (6293, 3317760), (6480, 3222016), (6496, 3214080), (6510, 3207168), (6696, 3118080), (6720, 3106944), (6912, 3020640), (6944, 3006720), (6960, 2999808), (7168, 2912760), (7192, 2903040), (7308, 2856960), (7424, 2812320), (7440, 2806272), (7560, 2761728), (7680, 2718576), (7812, 2672640), (7830, 2666496), (7936, 2630880), (8064, 2589120), (8091, 2580480), (8120, 2571264), (8192, 2548665), (8352, 2499840), (8370, 2494464), (8640, 2416512), (8680, 2405376), (8928, 2338560), (8960, 2330208), (8990, 2322432), (9072, 2301440), (9135, 2285568), (9216, 2265480), (9280, 2249856), (9396, 2222080), (9744, 2142720), (9765, 2138112), (9920, 2104704), (10044, 2078720), (10080, 2071296), (10240, 2038932), (10368, 2013760), (10416, 2004480), (10440, 1999872), (10752, 1941840), (10788, 1935360), (10962, 1904640), (11136, 1874880), (11160, 1870848), (11340, 1841152), (11520, 1812384), (11718, 1781760), (11745, 1777664), (11904, 1753920), (12096, 1726080), (12180, 1714176), (12288, 1699110), (12528, 1666560), (12555, 1662976), (12586, 1658880), (12960, 1611008), (12992, 1607040), (13020, 1603584), (13392, 1559040), (13440, 1553472), (13485, 1548288), (13824, 1510320), (13888, 1503360), (13920, 1499904), (14336, 1456380), (14384, 1451520), (14616, 1428480), (14848, 1406160), (14880, 1403136), (15120, 1380864), (15360, 1359288), (15624, 1336320), (15660, 1333248), (15872, 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