20280919680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 576

約数和(自身を含む): 82122866280

約数和(自身を除く): 61841946600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 181, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 362, 384, 392, 397, 420, 441, 448, 480, 490, 504, 543, 560, 576, 588, 630, 640, 672, 720, 724, 735, 784, 794, 840, 882, 896, 905, 960, 980, 1008, 1086, 1120, 1152, 1176, 1191, 1260, 1267, 1344, 1440, 1448, 1470, 1568, 1588, 1629, 1680, 1764, 1810, 1920, 1960, 1985, 2016, 2172, 2205, 2240, 2352, 2382, 2520, 2534, 2688, 2715, 2779, 2880, 2896, 2940, 3136, 3176, 3258, 3360, 3528, 3573, 3620, 3801, 3920, 3970, 4032, 4344, 4410, 4480, 4704, 4764, 5040, 5068, 5430, 5558, 5760, 5792, 5880, 5955, 6272, 6335, 6352, 6516, 6720, 7056, 7146, 7240, 7602, 7840, 7940, 8064, 8145, 8337, 8688, 8820, 8869, 9408, 9528, 10080, 10136, 10860, 11116, 11403, 11584, 11760, 11910, 12670, 12704, 13032, 13440, 13895, 14112, 14292, 14480, 15204, 15680, 15880, 16290, 16674, 17376, 17640, 17738, 17865, 18816, 19005, 19056, 19453, 20160, 20272, 21720, 22232, 22806, 23168, 23520, 23820, 25011, 25340, 25408, 26064, 26607, 27790, 28224, 28584, 28960, 30408, 31360, 31760, 32580, 33348, 34752, 35280, 35476, 35730, 38010, 38112, 38906, 40320, 40544, 41685, 43440, 44345, 44464, 45612, 47040, 47640, 50022, 50680, 50816, 52128, 53214, 55580, 56448, 57015, 57168, 57920, 58359, 60816, 63520, 65160, 66696, 69504, 70560, 70952, 71460, 71857, 76020, 76224, 77812, 79821, 81088, 83370, 86880, 88690, 88928, 91224, 94080, 95280, 97265, 100044, 101360, 104256, 106428, 111160, 114030, 114336, 115840, 116718, 121632, 125055, 127040, 130320, 133035, 133392, 141120, 141904, 142920, 143714, 152040, 152448, 155624, 159642, 162176, 166740, 173760, 175077, 177380, 177856, 182448, 190560, 194530, 200088, 202720, 208512, 212856, 215571, 222320, 228060, 228672, 233436, 243264, 250110, 254080, 260640, 266070, 266784, 282240, 283808, 285840, 287428, 291795, 304080, 311248, 319284, 333480, 347520, 350154, 354760, 355712, 359285, 364896, 381120, 389060, 399105, 400176, 405440, 425712, 431142, 444640, 456120, 457344, 466872, 486528, 500220, 502999, 521280, 532140, 533568, 567616, 571680, 574856, 583590, 608160, 622496, 638568, 646713, 666960, 700308, 709520, 718570, 729792, 762240, 778120, 798210, 800352, 810880, 851424, 862284, 875385, 889280, 912240, 933744, 1000440, 1005998, 1042560, 1064280, 1067136, 1077855, 1135232, 1143360, 1149712, 1167180, 1216320, 1244992, 1277136, 1293426, 1333920, 1400616, 1419040, 1437140, 1459584, 1508997, 1556240, 1596420, 1600704, 1702848, 1724568, 1750770, 1778560, 1824480, 1867488, 2000880, 2011996, 2128560, 2155710, 2286720, 2299424, 2334360, 2432640, 2489984, 2514995, 2554272, 2586852, 2667840, 2801232, 2838080, 2874280, 3017994, 3112480, 3192840, 3201408, 3233565, 3405696, 3449136, 3501540, 3520993, 3648960, 3734976, 4001760, 4023992, 4257120, 4311420, 4526991, 4598848, 4668720, 5029990, 5108544, 5173704, 5335680, 5602464, 5676160, 5748560, 6035988, 6224960, 6385680, 6467130, 6898272, 7003080, 7041986, 7297920, 7469952, 7544985, 8003520, 8047984, 8514240, 8622840, 9053982, 9197696, 9337440, 10059980, 10217088, 10347408, 10562979, 11204928, 11497120, 12071976, 12449920, 12771360, 12934260, 13796544, 14006160, 14083972, 15089970, 16007040, 16095968, 17028480, 17245680, 17604965, 18107964, 18674880, 20119960, 20694816, 21125958, 22409856, 22634955, 22994240, 24143952, 25542720, 25868520, 27593088, 28012320, 28167944, 30179940, 31688937, 32191936, 34491360, 35209930, 36215928, 37349760, 40239920, 41389632, 42251916, 45269910, 45988480, 48287904, 51085440, 51737040, 52814895, 56024640, 56335888, 60359880, 63377874, 64383872, 68982720, 70419860, 72431856, 80479840, 82779264, 84503832, 90539820, 96575808, 103474080, 105629790, 112049280, 112671776, 120719760, 126755748, 137965440, 140839720, 144863712, 158444685, 160959680, 169007664, 181079640, 193151616, 206948160, 211259580, 225343552, 241439520, 253511496, 281679440, 289727424, 316889370, 321919360, 338015328, 362159280, 413896320, 422519160, 450687104, 482879040, 507022992, 563358880, 579454848, 633778740, 676030656, 724318560, 845038320, 965758080, 1014045984, 1126717760, 1267557480, 1352061312, 1448637120, 1690076640, 2028091968, 2253435520, 2535114960, 2897274240, 3380153280, 4056183936, 5070229920, 6760306560, 10140459840, 20280919680]

約数ペア:

[(1, 20280919680), (2, 10140459840), (3, 6760306560), (4, 5070229920), (5, 4056183936), (6, 3380153280), (7, 2897274240), (8, 2535114960), (9, 2253435520), (10, 2028091968), (12, 1690076640), (14, 1448637120), (15, 1352061312), (16, 1267557480), (18, 1126717760), (20, 1014045984), (21, 965758080), (24, 845038320), (28, 724318560), (30, 676030656), (32, 633778740), (35, 579454848), (36, 563358880), (40, 507022992), (42, 482879040), (45, 450687104), (48, 422519160), (49, 413896320), (56, 362159280), (60, 338015328), (63, 321919360), (64, 316889370), (70, 289727424), (72, 281679440), (80, 253511496), (84, 241439520), (90, 225343552), (96, 211259580), (98, 206948160), (105, 193151616), (112, 181079640), (120, 169007664), (126, 160959680), (128, 158444685), (140, 144863712), (144, 140839720), (147, 137965440), (160, 126755748), (168, 120719760), (180, 112671776), (181, 112049280), (192, 105629790), (196, 103474080), (210, 96575808), (224, 90539820), (240, 84503832), (245, 82779264), (252, 80479840), (280, 72431856), (288, 70419860), (294, 68982720), (315, 64383872), (320, 63377874), (336, 60359880), (360, 56335888), (362, 56024640), (384, 52814895), (392, 51737040), (397, 51085440), (420, 48287904), (441, 45988480), (448, 45269910), (480, 42251916), (490, 41389632), (504, 40239920), (543, 37349760), (560, 36215928), (576, 35209930), (588, 34491360), (630, 32191936), (640, 31688937), (672, 30179940), (720, 28167944), (724, 28012320), (735, 27593088), (784, 25868520), (794, 25542720), (840, 24143952), (882, 22994240), (896, 22634955), (905, 22409856), (960, 21125958), (980, 20694816), (1008, 20119960), (1086, 18674880), (1120, 18107964), (1152, 17604965), (1176, 17245680), (1191, 17028480), (1260, 16095968), (1267, 16007040), (1344, 15089970), (1440, 14083972), (1448, 14006160), (1470, 13796544), (1568, 12934260), (1588, 12771360), (1629, 12449920), (1680, 12071976), (1764, 11497120), (1810, 11204928), (1920, 10562979), (1960, 10347408), (1985, 10217088), (2016, 10059980), (2172, 9337440), (2205, 9197696), (2240, 9053982), (2352, 8622840), (2382, 8514240), (2520, 8047984), (2534, 8003520), (2688, 7544985), (2715, 7469952), (2779, 7297920), (2880, 7041986), (2896, 7003080), (2940, 6898272), (3136, 6467130), (3176, 6385680), (3258, 6224960), (3360, 6035988), (3528, 5748560), (3573, 5676160), (3620, 5602464), (3801, 5335680), (3920, 5173704), (3970, 5108544), (4032, 5029990), (4344, 4668720), (4410, 4598848), (4480, 4526991), (4704, 4311420), (4764, 4257120), (5040, 4023992), (5068, 4001760), (5430, 3734976), (5558, 3648960), (5760, 3520993), (5792, 3501540), (5880, 3449136), (5955, 3405696), (6272, 3233565), (6335, 3201408), (6352, 3192840), (6516, 3112480), (6720, 3017994), (7056, 2874280), (7146, 2838080), (7240, 2801232), (7602, 2667840), (7840, 2586852), (7940, 2554272), (8064, 2514995), (8145, 2489984), (8337, 2432640), (8688, 2334360), (8820, 2299424), (8869, 2286720), (9408, 2155710), (9528, 2128560), (10080, 2011996), (10136, 2000880), (10860, 1867488), (11116, 1824480), (11403, 1778560), (11584, 1750770), (11760, 1724568), (11910, 1702848), (12670, 1600704), (12704, 1596420), (13032, 1556240), (13440, 1508997), (13895, 1459584), (14112, 1437140), (14292, 1419040), (14480, 1400616), (15204, 1333920), (15680, 1293426), (15880, 1277136), (16290, 1244992), (16674, 1216320), (17376, 1167180), (17640, 1149712), (17738, 1143360), (17865, 1135232), (18816, 1077855), (19005, 1067136), (19056, 1064280), (19453, 1042560), (20160, 1005998), (20272, 1000440), (21720, 933744), (22232, 912240), (22806, 889280), (23168, 875385), (23520, 862284), (23820, 851424), (25011, 810880), (25340, 800352), (25408, 798210), (26064, 778120), (26607, 762240), (27790, 729792), (28224, 718570), (28584, 709520), (28960, 700308), (30408, 666960), (31360, 646713), (31760, 638568), (32580, 622496), (33348, 608160), (34752, 583590), (35280, 574856), (35476, 571680), (35730, 567616), (38010, 533568), (38112, 532140), (38906, 521280), (40320, 502999), (40544, 500220), (41685, 486528), (43440, 466872), (44345, 457344), (44464, 456120), (45612, 444640), (47040, 431142), (47640, 425712), (50022, 405440), (50680, 400176), (50816, 399105), (52128, 389060), (53214, 381120), (55580, 364896), (56448, 359285), (57015, 355712), (57168, 354760), (57920, 350154), (58359, 347520), (60816, 333480), (63520, 319284), (65160, 311248), (66696, 304080), (69504, 291795), (70560, 287428), (70952, 285840), (71460, 283808), (71857, 282240), (76020, 266784), (76224, 266070), (77812, 260640), (79821, 254080), (81088, 250110), (83370, 243264), (86880, 233436), (88690, 228672), (88928, 228060), (91224, 222320), (94080, 215571), (95280, 212856), (97265, 208512), (100044, 202720), (101360, 200088), (104256, 194530), (106428, 190560), (111160, 182448), (114030, 177856), (114336, 177380), (115840, 175077), (116718, 173760), (121632, 166740), (125055, 162176), (127040, 159642), (130320, 155624), (133035, 152448), (133392, 152040), (141120, 143714), (141904, 142920)]