20581666560

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:753

約数の個数: 864

約数和(自身を含む): 90799712640

約数和(自身を除く): 70218046080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 29, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 58, 60, 63, 64, 65, 70, 72, 78, 80, 84, 87, 90, 91, 96, 104, 105, 112, 116, 117, 120, 126, 128, 130, 140, 144, 145, 156, 160, 168, 174, 180, 182, 192, 195, 203, 208, 210, 224, 232, 234, 240, 252, 256, 260, 261, 273, 280, 288, 290, 312, 315, 320, 336, 348, 360, 364, 377, 384, 390, 406, 416, 420, 435, 448, 455, 464, 468, 480, 504, 520, 522, 546, 560, 576, 580, 585, 609, 624, 630, 640, 672, 677, 696, 720, 728, 754, 768, 780, 812, 819, 832, 840, 870, 896, 910, 928, 936, 960, 1008, 1015, 1040, 1044, 1092, 1120, 1131, 1152, 1160, 1170, 1218, 1248, 1260, 1280, 1305, 1344, 1354, 1365, 1392, 1440, 1456, 1508, 1560, 1624, 1638, 1664, 1680, 1740, 1792, 1820, 1827, 1856, 1872, 1885, 1920, 2016, 2030, 2031, 2080, 2088, 2184, 2240, 2262, 2304, 2320, 2340, 2436, 2496, 2520, 2610, 2639, 2688, 2708, 2730, 2784, 2880, 2912, 3016, 3045, 3120, 3248, 3276, 3328, 3360, 3385, 3393, 3480, 3640, 3654, 3712, 3744, 3770, 3840, 4032, 4060, 4062, 4095, 4160, 4176, 4368, 4480, 4524, 4640, 4680, 4739, 4872, 4992, 5040, 5220, 5278, 5376, 5416, 5460, 5568, 5655, 5760, 5824, 6032, 6090, 6093, 6240, 6496, 6552, 6720, 6770, 6786, 6960, 7280, 7308, 7424, 7488, 7540, 7917, 8064, 8120, 8124, 8190, 8320, 8352, 8736, 8801, 8960, 9048, 9135, 9280, 9360, 9478, 9744, 9984, 10080, 10155, 10440, 10556, 10832, 10920, 11136, 11310, 11520, 11648, 12064, 12180, 12186, 12480, 12992, 13104, 13195, 13440, 13540, 13572, 13920, 14217, 14560, 14616, 14976, 15080, 15834, 16128, 16240, 16248, 16380, 16640, 16704, 16965, 17472, 17602, 18096, 18270, 18560, 18720, 18956, 19488, 19633, 20160, 20310, 20880, 21112, 21664, 21840, 22272, 22620, 23296, 23695, 23751, 24128, 24360, 24372, 24960, 25984, 26208, 26390, 26403, 26880, 27080, 27144, 27840, 28434, 29120, 29232, 29952, 30160, 30465, 31668, 32480, 32496, 32760, 33408, 33930, 34944, 35204, 36192, 36540, 37120, 37440, 37912, 38976, 39266, 39585, 40320, 40620, 41760, 42224, 42651, 43328, 43680, 44005, 45240, 47390, 47502, 48256, 48720, 48744, 49920, 51968, 52416, 52780, 52806, 54160, 54288, 55680, 56868, 58240, 58464, 58899, 60320, 60930, 61607, 63336, 64960, 64992, 65520, 66816, 67860, 69888, 70408, 71085, 72384, 73080, 74880, 75824, 77952, 78532, 79170, 79209, 80640, 81240, 83520, 84448, 85302, 86656, 87360, 88010, 90480, 94780, 95004, 96512, 97440, 97488, 98165, 104832, 105560, 105612, 108320, 108576, 111360, 113736, 116480, 116928, 117798, 118755, 120640, 121860, 123214, 126672, 129920, 129984, 131040, 132015, 135720, 137431, 140816, 142170, 144768, 146160, 149760, 151648, 155904, 157064, 158340, 158418, 162480, 167040, 168896, 170604, 173312, 174720, 176020, 176697, 180960, 184821, 189560, 190008, 194880, 194976, 196330, 209664, 211120, 211224, 213255, 216640, 217152, 227472, 233856, 235596, 237510, 241280, 243720, 246428, 253344, 255229, 259840, 259968, 262080, 264030, 271440, 274862, 281632, 284340, 289536, 292320, 294495, 303296, 308035, 314128, 316680, 316836, 324960, 334080, 337792, 341208, 349440, 352040, 353394, 361920, 369642, 379120, 380016, 389760, 389952, 392660, 396045, 412293, 422240, 422448, 426510, 433280, 434304, 454944, 467712, 471192, 475020, 482560, 487440, 492856, 506688, 510458, 519936, 524160, 528060, 542880, 549724, 554463, 563264, 568680, 584640, 588990, 606592, 616070, 628256, 633360, 633672, 649920, 675584, 682416, 687155, 704080, 706788, 723840, 739284, 758240, 760032, 765687, 779520, 779904, 785320, 792090, 824586, 844480, 844896, 853020, 866560, 868608, 883485, 909888, 924105, 942384, 950040, 974880, 985712, 1013376, 1020916, 1048320, 1056120, 1085760, 1099448, 1108926, 1126528, 1137360, 1169280, 1177980, 1213184, 1232140, 1236879, 1256512, 1266720, 1267344, 1276145, 1299840, 1364832, 1374310, 1408160, 1413576, 1447680, 1478568, 1516480, 1520064, 1531374, 1559808, 1570640, 1584180, 1649172, 1688960, 1689792, 1706040, 1766970, 1786603, 1819776, 1848210, 1884768, 1900080, 1949760, 1971424, 2026752, 2041832, 2061465, 2112240, 2171520, 2198896, 2217852, 2253056, 2274720, 2297061, 2338560, 2355960, 2464280, 2473758, 2513024, 2533440, 2534688, 2552290, 2599680, 2729664, 2748620, 2772315, 2816320, 2827152, 2957136, 3032960, 3040128, 3062748, 3141280, 3168360, 3298344, 3377920, 3379584, 3412080, 3533940, 3573206, 3639552, 3696420, 3769536, 3800160, 3828435, 3899520, 3942848, 4083664, 4122930, 4224480, 4343040, 4397792, 4435704, 4549440, 4594122, 4711920, 4928560, 4947516, 5026048, 5066880, 5069376, 5104580, 5359809, 5459328, 5497240, 5544630, 5632640, 5654304, 5914272, 6065920, 6080256, 6125496, 6184395, 6282560, 6336720, 6596688, 6759168, 6824160, 7067880, 7146412, 7392840, 7539072, 7600320, 7656870, 7799040, 7885696, 8167328, 8245860, 8448960, 8795584, 8871408, 8933015, 9098880, 9188244, 9423840, 9857120, 9895032, 10133760, 10138752, 10209160, 10719618, 10918656, 10994480, 11089260, 11265280, 11308608, 11485305, 11828544, 12250992, 12368790, 12565120, 12673440, 13193376, 13648320, 14135760, 14292824, 14785680, 15078144, 15200640, 15313740, 15771392, 16079427, 16334656, 16491720, 16897920, 17591168, 17742816, 17866030, 18197760, 18376488, 18847680, 19714240, 19790064, 20277504, 20418320, 21439236, 21988960, 22178520, 22617216, 22970610, 23657088, 24501984, 24737580, 25130240, 25346880, 26386752, 26799045, 27296640, 28271520, 28585648, 29571360, 30401280, 30627480, 32158854, 32669312, 32983440, 33795840, 35182336, 35485632, 35732060, 36752976, 37695360, 39428480, 39580128, 40836640, 42878472, 43977920, 44357040, 45234432, 45941220, 47314176, 49003968, 49475160, 50693760, 52773504, 53598090, 54593280, 56543040, 57171296, 59142720, 61254960, 64317708, 65338624, 65966880, 70971264, 71464120, 73505952, 75390720, 78856960, 79160256, 80397135, 81673280, 85756944, 87955840, 88714080, 91882440, 98007936, 98950320, 101387520, 105547008, 107196180, 113086080, 114342592, 118285440, 122509920, 128635416, 131933760, 141942528, 142928240, 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約数ペア:

[(1, 20581666560), (2, 10290833280), (3, 6860555520), (4, 5145416640), (5, 4116333312), (6, 3430277760), (7, 2940238080), (8, 2572708320), (9, 2286851840), (10, 2058166656), (12, 1715138880), (13, 1583205120), (14, 1470119040), (15, 1372111104), (16, 1286354160), (18, 1143425920), (20, 1029083328), (21, 980079360), (24, 857569440), (26, 791602560), (28, 735059520), (29, 709712640), (30, 686055552), (32, 643177080), (35, 588047616), (36, 571712960), (39, 527735040), (40, 514541664), (42, 490039680), (45, 457370368), (48, 428784720), (52, 395801280), (56, 367529760), (58, 354856320), (60, 343027776), (63, 326693120), (64, 321588540), (65, 316641024), (70, 294023808), (72, 285856480), (78, 263867520), (80, 257270832), (84, 245019840), (87, 236570880), (90, 228685184), (91, 226172160), (96, 214392360), (104, 197900640), (105, 196015872), (112, 183764880), (116, 177428160), (117, 175911680), (120, 171513888), (126, 163346560), (128, 160794270), (130, 158320512), (140, 147011904), (144, 142928240), (145, 141942528), (156, 131933760), (160, 128635416), (168, 122509920), (174, 118285440), (180, 114342592), (182, 113086080), (192, 107196180), (195, 105547008), (203, 101387520), (208, 98950320), (210, 98007936), (224, 91882440), (232, 88714080), (234, 87955840), (240, 85756944), (252, 81673280), (256, 80397135), (260, 79160256), (261, 78856960), (273, 75390720), (280, 73505952), (288, 71464120), (290, 70971264), (312, 65966880), (315, 65338624), (320, 64317708), (336, 61254960), (348, 59142720), (360, 57171296), (364, 56543040), (377, 54593280), (384, 53598090), (390, 52773504), (406, 50693760), (416, 49475160), (420, 49003968), (435, 47314176), (448, 45941220), (455, 45234432), (464, 44357040), (468, 43977920), (480, 42878472), (504, 40836640), (520, 39580128), (522, 39428480), (546, 37695360), (560, 36752976), (576, 35732060), (580, 35485632), (585, 35182336), (609, 33795840), (624, 32983440), (630, 32669312), (640, 32158854), (672, 30627480), (677, 30401280), (696, 29571360), (720, 28585648), (728, 28271520), (754, 27296640), (768, 26799045), (780, 26386752), (812, 25346880), (819, 25130240), (832, 24737580), (840, 24501984), (870, 23657088), (896, 22970610), (910, 22617216), (928, 22178520), (936, 21988960), (960, 21439236), (1008, 20418320), (1015, 20277504), (1040, 19790064), (1044, 19714240), (1092, 18847680), (1120, 18376488), (1131, 18197760), (1152, 17866030), (1160, 17742816), (1170, 17591168), (1218, 16897920), (1248, 16491720), (1260, 16334656), (1280, 16079427), (1305, 15771392), (1344, 15313740), (1354, 15200640), (1365, 15078144), (1392, 14785680), (1440, 14292824), (1456, 14135760), (1508, 13648320), (1560, 13193376), (1624, 12673440), (1638, 12565120), (1664, 12368790), (1680, 12250992), (1740, 11828544), (1792, 11485305), (1820, 11308608), (1827, 11265280), (1856, 11089260), (1872, 10994480), (1885, 10918656), (1920, 10719618), (2016, 10209160), (2030, 10138752), (2031, 10133760), (2080, 9895032), (2088, 9857120), (2184, 9423840), (2240, 9188244), (2262, 9098880), (2304, 8933015), (2320, 8871408), (2340, 8795584), (2436, 8448960), (2496, 8245860), (2520, 8167328), (2610, 7885696), (2639, 7799040), (2688, 7656870), (2708, 7600320), (2730, 7539072), (2784, 7392840), (2880, 7146412), (2912, 7067880), (3016, 6824160), (3045, 6759168), (3120, 6596688), (3248, 6336720), (3276, 6282560), (3328, 6184395), (3360, 6125496), (3385, 6080256), (3393, 6065920), (3480, 5914272), (3640, 5654304), (3654, 5632640), (3712, 5544630), (3744, 5497240), (3770, 5459328), (3840, 5359809), (4032, 5104580), (4060, 5069376), (4062, 5066880), (4095, 5026048), (4160, 4947516), (4176, 4928560), (4368, 4711920), (4480, 4594122), (4524, 4549440), (4640, 4435704), (4680, 4397792), (4739, 4343040), (4872, 4224480), (4992, 4122930), (5040, 4083664), (5220, 3942848), (5278, 3899520), (5376, 3828435), (5416, 3800160), (5460, 3769536), (5568, 3696420), (5655, 3639552), (5760, 3573206), (5824, 3533940), (6032, 3412080), (6090, 3379584), (6093, 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1276145), (16240, 1267344), (16248, 1266720), (16380, 1256512), (16640, 1236879), (16704, 1232140), (16965, 1213184), (17472, 1177980), (17602, 1169280), (18096, 1137360), (18270, 1126528), (18560, 1108926), (18720, 1099448), (18956, 1085760), (19488, 1056120), (19633, 1048320), (20160, 1020916), (20310, 1013376), (20880, 985712), (21112, 974880), (21664, 950040), (21840, 942384), (22272, 924105), (22620, 909888), (23296, 883485), (23695, 868608), (23751, 866560), (24128, 853020), (24360, 844896), (24372, 844480), (24960, 824586), (25984, 792090), (26208, 785320), (26390, 779904), (26403, 779520), (26880, 765687), (27080, 760032), (27144, 758240), (27840, 739284), (28434, 723840), (29120, 706788), (29232, 704080), (29952, 687155), (30160, 682416), (30465, 675584), (31668, 649920), (32480, 633672), (32496, 633360), (32760, 628256), (33408, 616070), (33930, 606592), (34944, 588990), (35204, 584640), (36192, 568680), (36540, 563264), (37120, 554463), (37440, 549724), (37912, 542880), (38976, 528060), (39266, 524160), (39585, 519936), (40320, 510458), (40620, 506688), (41760, 492856), (42224, 487440), (42651, 482560), (43328, 475020), (43680, 471192), (44005, 467712), (45240, 454944), (47390, 434304), (47502, 433280), (48256, 426510), (48720, 422448), (48744, 422240), (49920, 412293), (51968, 396045), (52416, 392660), (52780, 389952), (52806, 389760), (54160, 380016), (54288, 379120), (55680, 369642), (56868, 361920), (58240, 353394), (58464, 352040), (58899, 349440), (60320, 341208), (60930, 337792), (61607, 334080), (63336, 324960), (64960, 316836), (64992, 316680), (65520, 314128), (66816, 308035), (67860, 303296), (69888, 294495), (70408, 292320), (71085, 289536), (72384, 284340), (73080, 281632), (74880, 274862), (75824, 271440), (77952, 264030), (78532, 262080), (79170, 259968), (79209, 259840), (80640, 255229), (81240, 253344), (83520, 246428), (84448, 243720), (85302, 241280), (86656, 237510), (87360, 235596), (88010, 233856), (90480, 227472), (94780, 217152), (95004, 216640), (96512, 213255), (97440, 211224), (97488, 211120), (98165, 209664), (104832, 196330), (105560, 194976), (105612, 194880), (108320, 190008), (108576, 189560), (111360, 184821), (113736, 180960), (116480, 176697), (116928, 176020), (117798, 174720), (118755, 173312), (120640, 170604), (121860, 168896), (123214, 167040), (126672, 162480), (129920, 158418), (129984, 158340), (131040, 157064), (132015, 155904), (135720, 151648), (137431, 149760), (140816, 146160), (142170, 144768)]