20784919680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 1024

約数和(自身を含む): 90995097600

約数和(自身を除く): 70210177920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 62, 63, 64, 69, 70, 72, 80, 84, 90, 92, 93, 96, 105, 108, 112, 115, 120, 124, 126, 128, 135, 138, 140, 144, 155, 160, 161, 168, 180, 184, 186, 189, 192, 207, 210, 216, 217, 224, 230, 240, 241, 248, 252, 270, 276, 279, 280, 288, 310, 315, 320, 322, 336, 345, 360, 368, 372, 378, 384, 414, 420, 432, 434, 448, 460, 465, 480, 482, 483, 496, 504, 540, 552, 558, 560, 576, 620, 621, 630, 640, 644, 651, 672, 690, 713, 720, 723, 736, 744, 756, 805, 828, 837, 840, 864, 868, 896, 920, 930, 945, 960, 964, 966, 992, 1008, 1035, 1080, 1085, 1104, 1116, 1120, 1152, 1205, 1240, 1242, 1260, 1288, 1302, 1344, 1380, 1395, 1426, 1440, 1446, 1449, 1472, 1488, 1512, 1610, 1656, 1674, 1680, 1687, 1728, 1736, 1840, 1860, 1890, 1920, 1928, 1932, 1953, 1984, 2016, 2070, 2139, 2160, 2169, 2170, 2208, 2232, 2240, 2410, 2415, 2480, 2484, 2520, 2576, 2604, 2688, 2760, 2790, 2852, 2880, 2892, 2898, 2944, 2976, 3024, 3105, 3220, 3255, 3312, 3348, 3360, 3374, 3456, 3472, 3565, 3615, 3680, 3720, 3780, 3856, 3864, 3906, 3968, 4032, 4140, 4185, 4278, 4320, 4338, 4340, 4347, 4416, 4464, 4480, 4820, 4830, 4960, 4968, 4991, 5040, 5061, 5152, 5208, 5520, 5543, 5580, 5704, 5760, 5784, 5796, 5859, 5952, 6048, 6210, 6417, 6440, 6507, 6510, 6624, 6696, 6720, 6748, 6944, 7130, 7230, 7245, 7360, 7440, 7471, 7560, 7712, 7728, 7812, 8064, 8280, 8370, 8435, 8556, 8640, 8676, 8680, 8694, 8832, 8928, 9640, 9660, 9765, 9920, 9936, 9982, 10080, 10122, 10304, 10416, 10695, 10845, 11040, 11086, 11160, 11408, 11568, 11592, 11718, 11904, 12096, 12420, 12834, 12880, 13014, 13020, 13248, 13392, 13440, 13496, 13888, 14260, 14460, 14490, 14720, 14880, 14942, 14973, 15120, 15183, 15424, 15456, 15624, 16560, 16629, 16740, 16870, 17112, 17280, 17352, 17360, 17388, 17856, 19251, 19280, 19320, 19530, 19840, 19872, 19964, 20160, 20244, 20608, 20832, 21390, 21690, 21735, 22080, 22172, 22320, 22413, 22816, 23136, 23184, 23436, 24192, 24840, 24955, 25305, 25668, 25760, 26028, 26040, 26496, 26784, 26992, 27715, 27776, 28520, 28920, 28980, 29295, 29760, 29884, 29946, 30240, 30366, 30848, 30912, 31248, 32085, 32535, 33120, 33258, 33480, 33740, 34224, 34704, 34720, 34776, 35712, 37355, 38502, 38560, 38640, 38801, 39060, 39744, 39928, 40320, 40488, 41664, 42780, 43380, 43470, 44160, 44344, 44640, 44826, 44919, 45549, 45632, 46272, 46368, 46872, 49680, 49887, 49910, 50610, 51336, 51520, 52056, 52080, 52297, 53568, 53984, 55430, 57040, 57840, 57960, 58590, 59520, 59768, 59892, 60480, 60732, 61824, 62496, 64170, 65070, 66240, 66516, 66960, 67239, 67480, 68448, 69408, 69440, 69552, 74710, 74865, 75915, 77004, 77120, 77280, 77602, 78120, 79488, 79856, 80976, 83145, 83328, 85560, 86760, 86940, 88688, 89280, 89652, 89838, 91098, 91264, 92544, 92736, 93744, 96255, 99360, 99774, 99820, 101220, 102672, 103040, 104112, 104160, 104594, 107136, 107968, 110860, 112065, 114080, 115680, 115920, 116403, 117180, 119536, 119784, 120960, 121464, 124992, 128340, 130140, 132480, 133032, 133920, 134478, 134757, 134960, 136896, 138816, 138880, 139104, 149420, 149661, 149730, 151830, 154008, 154240, 154560, 155204, 156240, 156891, 159712, 161952, 166290, 171120, 171833, 173520, 173880, 177376, 178560, 179304, 179676, 182196, 185472, 187488, 192510, 194005, 198720, 199548, 199640, 201717, 202440, 205344, 208224, 208320, 209188, 215936, 221720, 224130, 224595, 227745, 228160, 231360, 231840, 232806, 234360, 239072, 239568, 242928, 249435, 249984, 256680, 260280, 261485, 266064, 267840, 268956, 269514, 269920, 273792, 277632, 278208, 298840, 299322, 299460, 303660, 308016, 309120, 310408, 312480, 313782, 319424, 323904, 332580, 336195, 342240, 343666, 347040, 347760, 349209, 354752, 358608, 359352, 364392, 374976, 385020, 388010, 397440, 399096, 399280, 403434, 404880, 410688, 416448, 416640, 418376, 443440, 448260, 449190, 455490, 456320, 462720, 463680, 465612, 468720, 470673, 478144, 479136, 485856, 498870, 513360, 515499, 520560, 522970, 532128, 535680, 537912, 539028, 539840, 556416, 582015, 597680, 598644, 598920, 607320, 616032, 620816, 624960, 627564, 638848, 647808, 665160, 672390, 673785, 684480, 687332, 694080, 695520, 698418, 709504, 717216, 718704, 728784, 748305, 749952, 770040, 776020, 784455, 798192, 798560, 806868, 809760, 821376, 832896, 836752, 859165, 886880, 896520, 898380, 910980, 927360, 931224, 937440, 941346, 956288, 958272, 971712, 997740, 1008585, 1026720, 1030998, 1041120, 1045940, 1047627, 1064256, 1075824, 1078056, 1079680, 1164030, 1195360, 1197288, 1197840, 1202831, 1214640, 1232064, 1241632, 1249920, 1255128, 1330320, 1344780, 1347570, 1368960, 1374664, 1388160, 1391040, 1396836, 1412019, 1434432, 1437408, 1457568, 1496610, 1540080, 1546497, 1552040, 1568910, 1596384, 1597120, 1613736, 1619520, 1673504, 1718330, 1746045, 1773760, 1793040, 1796760, 1821960, 1862448, 1874880, 1882692, 1916544, 1943424, 1995480, 2017170, 2053440, 2061996, 2082240, 2091880, 2095254, 2128512, 2151648, 2156112, 2328060, 2353365, 2390720, 2394576, 2395680, 2405662, 2429280, 2464128, 2483264, 2510256, 2577495, 2660640, 2689560, 2695140, 2749328, 2782080, 2793672, 2824038, 2868864, 2874816, 2915136, 2993220, 3080160, 3092994, 3104080, 3137820, 3192768, 3194240, 3227472, 3239040, 3347008, 3436660, 3492090, 3547520, 3586080, 3593520, 3608493, 3643920, 3724896, 3749760, 3765384, 3990960, 4034340, 4106880, 4123992, 4164480, 4183760, 4190508, 4303296, 4312224, 4639491, 4656120, 4706730, 4781440, 4789152, 4791360, 4811324, 4858560, 4966528, 5020512, 5154990, 5238135, 5321280, 5379120, 5390280, 5498656, 5587344, 5648076, 5749632, 5830272, 5986440, 6014155, 6160320, 6185988, 6208160, 6275640, 6385536, 6454944, 6694016, 6873320, 6984180, 7060095, 7172160, 7187040, 7216986, 7287840, 7449792, 7530768, 7732485, 7981920, 8068680, 8247984, 8367520, 8381016, 8606592, 8624448, 9278982, 9312240, 9413460, 9578304, 9582720, 9622648, 9717120, 10041024, 10309980, 10476270, 10642560, 10758240, 10780560, 10825479, 10997312, 11174688, 11296152, 11972880, 12028310, 12320640, 12371976, 12416320, 12551280, 12909888, 13746640, 13968360, 14120190, 14344320, 14374080, 14433972, 14575680, 14899584, 15061536, 15464970, 15963840, 16137360, 16495968, 16735040, 16762032, 17248896, 18042465, 18557964, 18624480, 18826920, 19156608, 19245296, 20082048, 20619960, 20952540, 21516480, 21561120, 21650958, 21994624, 22349376, 22592304, 23197455, 23945760, 24056620, 24743952, 24832640, 25102560, 25819776, 27493280, 27936720, 28240380, 28748160, 28867944, 29151360, 30123072, 30929940, 31927680, 32274720, 32476437, 32991936, 33470080, 33524064, 36084930, 37115928, 37248960, 37653840, 38490592, 41239920, 41905080, 43032960, 43122240, 43301916, 44698752, 45184608, 46394910, 47891520, 48113240, 49487904, 50205120, 54127395, 54986560, 55873440, 56480760, 57735888, 60246144, 61859880, 64549440, 64952874, 65983872, 67048128, 72169860, 74231856, 74497920, 75307680, 76981184, 82479840, 83810160, 86244480, 86603832, 90369216, 92789820, 95783040, 96226480, 98975808, 100410240, 108254790, 109973120, 111746880, 112961520, 115471776, 123719760, 129098880, 129905748, 134096256, 144339720, 148463712, 150615360, 153962368, 162382185, 164959680, 167620320, 173207664, 180738432, 185579640, 192452960, 197951616, 216509580, 223493760, 225923040, 230943552, 247439520, 259811496, 288679440, 296927424, 301230720, 324764370, 329919360, 335240640, 346415328, 371159280, 384905920, 433019160, 451846080, 461887104, 494879040, 519622992, 577358880, 593854848, 649528740, 670481280, 692830656, 742318560, 769811840, 866038320, 903692160, 989758080, 1039245984, 1154717760, 1299057480, 1385661312, 1484637120, 1732076640, 2078491968, 2309435520, 2598114960, 2969274240, 3464153280, 4156983936, 5196229920, 6928306560, 10392459840, 20784919680]

約数ペア:

[(1, 20784919680), (2, 10392459840), (3, 6928306560), (4, 5196229920), (5, 4156983936), (6, 3464153280), (7, 2969274240), (8, 2598114960), (9, 2309435520), (10, 2078491968), (12, 1732076640), (14, 1484637120), (15, 1385661312), (16, 1299057480), (18, 1154717760), (20, 1039245984), (21, 989758080), (23, 903692160), (24, 866038320), (27, 769811840), (28, 742318560), (30, 692830656), (31, 670481280), (32, 649528740), (35, 593854848), (36, 577358880), (40, 519622992), (42, 494879040), (45, 461887104), (46, 451846080), (48, 433019160), (54, 384905920), (56, 371159280), (60, 346415328), (62, 335240640), (63, 329919360), (64, 324764370), (69, 301230720), (70, 296927424), (72, 288679440), (80, 259811496), (84, 247439520), (90, 230943552), (92, 225923040), (93, 223493760), (96, 216509580), (105, 197951616), (108, 192452960), (112, 185579640), (115, 180738432), (120, 173207664), (124, 167620320), (126, 164959680), (128, 162382185), (135, 153962368), (138, 150615360), (140, 148463712), (144, 144339720), (155, 134096256), (160, 129905748), (161, 129098880), (168, 123719760), (180, 115471776), (184, 112961520), (186, 111746880), (189, 109973120), (192, 108254790), (207, 100410240), (210, 98975808), (216, 96226480), (217, 95783040), (224, 92789820), (230, 90369216), (240, 86603832), (241, 86244480), (248, 83810160), (252, 82479840), (270, 76981184), (276, 75307680), (279, 74497920), (280, 74231856), (288, 72169860), (310, 67048128), (315, 65983872), (320, 64952874), (322, 64549440), (336, 61859880), (345, 60246144), (360, 57735888), (368, 56480760), (372, 55873440), (378, 54986560), (384, 54127395), (414, 50205120), (420, 49487904), (432, 48113240), (434, 47891520), (448, 46394910), (460, 45184608), (465, 44698752), (480, 43301916), (482, 43122240), (483, 43032960), (496, 41905080), (504, 41239920), (540, 38490592), (552, 37653840), (558, 37248960), (560, 37115928), (576, 36084930), (620, 33524064), (621, 33470080), (630, 32991936), (640, 32476437), (644, 32274720), (651, 31927680), (672, 30929940), (690, 30123072), (713, 29151360), (720, 28867944), (723, 28748160), (736, 28240380), (744, 27936720), (756, 27493280), (805, 25819776), (828, 25102560), (837, 24832640), (840, 24743952), (864, 24056620), (868, 23945760), (896, 23197455), (920, 22592304), (930, 22349376), (945, 21994624), (960, 21650958), (964, 21561120), (966, 21516480), (992, 20952540), (1008, 20619960), (1035, 20082048), (1080, 19245296), (1085, 19156608), (1104, 18826920), (1116, 18624480), (1120, 18557964), (1152, 18042465), (1205, 17248896), (1240, 16762032), (1242, 16735040), (1260, 16495968), (1288, 16137360), (1302, 15963840), (1344, 15464970), (1380, 15061536), (1395, 14899584), (1426, 14575680), (1440, 14433972), (1446, 14374080), (1449, 14344320), (1472, 14120190), (1488, 13968360), (1512, 13746640), (1610, 12909888), (1656, 12551280), (1674, 12416320), (1680, 12371976), (1687, 12320640), (1728, 12028310), (1736, 11972880), (1840, 11296152), (1860, 11174688), (1890, 10997312), (1920, 10825479), (1928, 10780560), (1932, 10758240), (1953, 10642560), (1984, 10476270), (2016, 10309980), (2070, 10041024), (2139, 9717120), (2160, 9622648), (2169, 9582720), (2170, 9578304), (2208, 9413460), (2232, 9312240), (2240, 9278982), (2410, 8624448), (2415, 8606592), (2480, 8381016), (2484, 8367520), (2520, 8247984), (2576, 8068680), (2604, 7981920), (2688, 7732485), (2760, 7530768), (2790, 7449792), (2852, 7287840), (2880, 7216986), (2892, 7187040), (2898, 7172160), (2944, 7060095), (2976, 6984180), (3024, 6873320), (3105, 6694016), (3220, 6454944), (3255, 6385536), (3312, 6275640), (3348, 6208160), (3360, 6185988), (3374, 6160320), (3456, 6014155), (3472, 5986440), (3565, 5830272), (3615, 5749632), (3680, 5648076), (3720, 5587344), (3780, 5498656), (3856, 5390280), (3864, 5379120), (3906, 5321280), (3968, 5238135), (4032, 5154990), (4140, 5020512), (4185, 4966528), (4278, 4858560), (4320, 4811324), (4338, 4791360), (4340, 4789152), (4347, 4781440), (4416, 4706730), (4464, 4656120), (4480, 4639491), (4820, 4312224), (4830, 4303296), (4960, 4190508), (4968, 4183760), (4991, 4164480), (5040, 4123992), (5061, 4106880), (5152, 4034340), (5208, 3990960), (5520, 3765384), (5543, 3749760), (5580, 3724896), (5704, 3643920), (5760, 3608493), (5784, 3593520), (5796, 3586080), (5859, 3547520), (5952, 3492090), (6048, 3436660), (6210, 3347008), (6417, 3239040), (6440, 3227472), (6507, 3194240), (6510, 3192768), (6624, 3137820), (6696, 3104080), (6720, 3092994), (6748, 3080160), (6944, 2993220), (7130, 2915136), (7230, 2874816), (7245, 2868864), (7360, 2824038), (7440, 2793672), (7471, 2782080), (7560, 2749328), (7712, 2695140), (7728, 2689560), (7812, 2660640), (8064, 2577495), (8280, 2510256), (8370, 2483264), (8435, 2464128), (8556, 2429280), (8640, 2405662), (8676, 2395680), (8680, 2394576), (8694, 2390720), (8832, 2353365), (8928, 2328060), (9640, 2156112), (9660, 2151648), (9765, 2128512), (9920, 2095254), (9936, 2091880), (9982, 2082240), (10080, 2061996), (10122, 2053440), (10304, 2017170), (10416, 1995480), (10695, 1943424), (10845, 1916544), (11040, 1882692), (11086, 1874880), (11160, 1862448), (11408, 1821960), (11568, 1796760), (11592, 1793040), (11718, 1773760), (11904, 1746045), (12096, 1718330), (12420, 1673504), (12834, 1619520), (12880, 1613736), (13014, 1597120), (13020, 1596384), (13248, 1568910), (13392, 1552040), (13440, 1546497), (13496, 1540080), (13888, 1496610), (14260, 1457568), (14460, 1437408), (14490, 1434432), (14720, 1412019), (14880, 1396836), (14942, 1391040), (14973, 1388160), (15120, 1374664), (15183, 1368960), (15424, 1347570), (15456, 1344780), (15624, 1330320), (16560, 1255128), (16629, 1249920), (16740, 1241632), (16870, 1232064), (17112, 1214640), (17280, 1202831), (17352, 1197840), (17360, 1197288), (17388, 1195360), (17856, 1164030), (19251, 1079680), (19280, 1078056), (19320, 1075824), (19530, 1064256), (19840, 1047627), (19872, 1045940), (19964, 1041120), (20160, 1030998), (20244, 1026720), (20608, 1008585), (20832, 997740), (21390, 971712), (21690, 958272), (21735, 956288), (22080, 941346), (22172, 937440), (22320, 931224), (22413, 927360), (22816, 910980), (23136, 898380), (23184, 896520), (23436, 886880), (24192, 859165), (24840, 836752), (24955, 832896), (25305, 821376), (25668, 809760), (25760, 806868), (26028, 798560), (26040, 798192), (26496, 784455), (26784, 776020), (26992, 770040), (27715, 749952), (27776, 748305), (28520, 728784), (28920, 718704), (28980, 717216), (29295, 709504), (29760, 698418), (29884, 695520), (29946, 694080), (30240, 687332), (30366, 684480), (30848, 673785), (30912, 672390), (31248, 665160), (32085, 647808), (32535, 638848), (33120, 627564), (33258, 624960), (33480, 620816), (33740, 616032), (34224, 607320), (34704, 598920), (34720, 598644), (34776, 597680), (35712, 582015), (37355, 556416), (38502, 539840), (38560, 539028), (38640, 537912), (38801, 535680), (39060, 532128), (39744, 522970), (39928, 520560), (40320, 515499), (40488, 513360), (41664, 498870), (42780, 485856), (43380, 479136), (43470, 478144), (44160, 470673), (44344, 468720), (44640, 465612), (44826, 463680), (44919, 462720), (45549, 456320), (45632, 455490), (46272, 449190), (46368, 448260), (46872, 443440), (49680, 418376), (49887, 416640), (49910, 416448), (50610, 410688), (51336, 404880), (51520, 403434), (52056, 399280), (52080, 399096), (52297, 397440), (53568, 388010), (53984, 385020), (55430, 374976), (57040, 364392), (57840, 359352), (57960, 358608), (58590, 354752), (59520, 349209), (59768, 347760), (59892, 347040), (60480, 343666), (60732, 342240), (61824, 336195), (62496, 332580), (64170, 323904), (65070, 319424), (66240, 313782), (66516, 312480), (66960, 310408), (67239, 309120), (67480, 308016), (68448, 303660), (69408, 299460), (69440, 299322), (69552, 298840), (74710, 278208), (74865, 277632), (75915, 273792), (77004, 269920), (77120, 269514), (77280, 268956), (77602, 267840), (78120, 266064), (79488, 261485), (79856, 260280), (80976, 256680), (83145, 249984), (83328, 249435), (85560, 242928), (86760, 239568), (86940, 239072), (88688, 234360), (89280, 232806), (89652, 231840), (89838, 231360), (91098, 228160), (91264, 227745), (92544, 224595), (92736, 224130), (93744, 221720), (96255, 215936), (99360, 209188), (99774, 208320), (99820, 208224), (101220, 205344), (102672, 202440), (103040, 201717), (104112, 199640), (104160, 199548), (104594, 198720), (107136, 194005), (107968, 192510), (110860, 187488), (112065, 185472), (114080, 182196), (115680, 179676), (115920, 179304), (116403, 178560), (117180, 177376), (119536, 173880), (119784, 173520), (120960, 171833), (121464, 171120), (124992, 166290), (128340, 161952), (130140, 159712), (132480, 156891), (133032, 156240), (133920, 155204), (134478, 154560), (134757, 154240), (134960, 154008), (136896, 151830), (138816, 149730), (138880, 149661), (139104, 149420)]