20481805440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 768

約数和(自身を含む): 79432704000

約数和(自身を除く): 58950898560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 32, 36, 38, 40, 45, 46, 48, 57, 60, 64, 69, 72, 76, 79, 80, 90, 92, 95, 96, 103, 114, 115, 120, 128, 138, 144, 152, 158, 160, 171, 180, 184, 190, 192, 206, 207, 228, 230, 237, 240, 276, 285, 288, 304, 309, 316, 320, 342, 345, 360, 368, 380, 384, 395, 412, 414, 437, 456, 460, 474, 480, 515, 552, 570, 576, 608, 618, 632, 640, 684, 690, 711, 720, 736, 760, 790, 824, 828, 855, 874, 912, 920, 927, 948, 960, 1030, 1035, 1104, 1140, 1152, 1185, 1216, 1236, 1264, 1311, 1368, 1380, 1422, 1440, 1472, 1501, 1520, 1545, 1580, 1648, 1656, 1710, 1748, 1817, 1824, 1840, 1854, 1896, 1920, 1957, 2060, 2070, 2185, 2208, 2280, 2369, 2370, 2432, 2472, 2528, 2622, 2736, 2760, 2844, 2880, 2944, 3002, 3040, 3090, 3160, 3296, 3312, 3420, 3496, 3555, 3634, 3648, 3680, 3708, 3792, 3914, 3933, 4120, 4140, 4370, 4416, 4503, 4560, 4635, 4738, 4740, 4944, 5056, 5244, 5451, 5472, 5520, 5688, 5760, 5871, 6004, 6080, 6180, 6320, 6555, 6592, 6624, 6840, 6992, 7107, 7110, 7268, 7296, 7360, 7416, 7505, 7584, 7828, 7866, 8137, 8240, 8280, 8740, 8832, 9006, 9085, 9120, 9270, 9476, 9480, 9785, 9888, 10112, 10488, 10902, 10944, 11040, 11376, 11742, 11845, 12008, 12160, 12360, 12640, 13110, 13184, 13248, 13509, 13680, 13984, 14214, 14220, 14536, 14720, 14832, 15010, 15168, 15656, 15732, 16274, 16353, 16480, 16560, 17480, 17613, 18012, 18170, 18240, 18540, 18952, 18960, 19570, 19665, 19776, 20976, 21321, 21804, 21888, 22080, 22515, 22752, 23484, 23690, 24016, 24411, 24720, 25280, 26220, 26496, 27018, 27255, 27360, 27968, 28428, 28440, 29072, 29355, 29664, 30020, 30336, 31312, 31464, 32548, 32706, 32960, 33120, 34523, 34960, 35226, 35535, 36024, 36340, 36480, 37080, 37904, 37920, 39140, 39330, 39552, 40685, 41952, 42642, 43608, 44160, 45011, 45030, 45504, 46968, 47380, 48032, 48822, 49440, 50560, 52440, 54036, 54510, 54720, 55936, 56856, 56880, 58144, 58710, 59328, 60040, 62624, 62928, 65096, 65412, 65920, 66240, 67545, 69046, 69920, 70452, 71070, 72048, 72680, 73233, 74160, 75808, 75840, 78280, 78660, 81370, 81765, 83904, 85284, 87216, 88065, 90022, 90060, 91008, 93936, 94760, 96064, 97644, 98880, 103569, 104880, 106605, 108072, 109020, 109440, 113712, 113760, 116288, 117420, 118656, 120080, 122055, 125248, 125856, 130192, 130824, 132480, 135033, 135090, 138092, 139840, 140904, 142140, 144096, 145360, 146466, 148320, 151616, 151680, 154603, 156560, 157320, 162740, 163530, 167808, 170568, 172615, 174432, 176130, 180044, 180120, 187151, 187872, 189520, 192128, 195288, 197760, 207138, 209760, 213210, 216144, 218040, 225055, 227424, 227520, 232576, 234840, 240160, 244110, 250496, 251712, 260384, 261648, 270066, 270180, 276184, 279680, 281808, 284280, 288192, 290720, 292932, 296640, 303232, 309206, 310707, 313120, 314640, 325480, 327060, 341136, 345230, 348864, 352260, 360088, 360240, 366165, 374302, 375744, 379040, 390576, 405099, 414276, 419520, 426420, 432288, 436080, 450110, 454848, 455040, 463809, 469680, 480320, 488220, 503424, 517845, 520768, 523296, 540132, 540360, 552368, 561453, 563616, 568560, 576384, 581440, 585864, 593280, 618412, 621414, 626240, 629280, 650960, 654120, 675165, 682272, 690460, 697728, 704520, 720176, 720480, 732330, 748604, 751488, 758080, 773015, 781152, 810198, 828552, 839040, 852840, 864576, 872160, 900220, 909696, 927618, 935755, 939360, 960640, 976440, 1035690, 1041536, 1046592, 1080264, 1080720, 1104736, 1122906, 1127232, 1137120, 1162880, 1171728, 1236824, 1242828, 1252480, 1258560, 1301920, 1308240, 1350330, 1364544, 1380920, 1391427, 1409040, 1440352, 1440960, 1464660, 1497208, 1516160, 1546030, 1553535, 1562304, 1620396, 1657104, 1684359, 1705680, 1729152, 1744320, 1800440, 1855236, 1871510, 1878720, 1952880, 2025495, 2071380, 2093184, 2160528, 2161440, 2209472, 2245812, 2254464, 2274240, 2319045, 2343456, 2473648, 2485656, 2517120, 2603840, 2616480, 2700660, 2729088, 2761840, 2782854, 2807265, 2818080, 2880704, 2881920, 2929320, 2994416, 3092060, 3107070, 3124608, 3240792, 3314208, 3368718, 3411360, 3488640, 3555869, 3600880, 3710472, 3743020, 3757440, 3905760, 4050990, 4142760, 4321056, 4322880, 4418944, 4491624, 4548480, 4638090, 4686912, 4947296, 4971312, 5207680, 5232960, 5401320, 5523680, 5565708, 5614530, 5636160, 5761408, 5858640, 5988832, 6184120, 6214140, 6481584, 6628416, 6737436, 6822720, 6957135, 7111738, 7201760, 7420944, 7486040, 7811520, 8101980, 8285520, 8421795, 8642112, 8645760, 8983248, 9276180, 9373824, 9894592, 9942624, 10465920, 10667607, 10802640, 11047360, 11131416, 11229060, 11272320, 11717280, 11977664, 12368240, 12428280, 12963168, 13256832, 13474872, 13645440, 13914270, 14223476, 14403520, 14841888, 14972080, 15623040, 16203960, 16571040, 16843590, 17284224, 17779345, 17966496, 18552360, 19789184, 19885248, 21335214, 21605280, 22094720, 22262832, 22458120, 23434560, 23955328, 24736480, 24856560, 25926336, 26949744, 27828540, 28446952, 28807040, 29683776, 29944160, 32002821, 32407920, 33142080, 33687180, 35558690, 35932992, 37104720, 39770496, 42670428, 43210560, 44525664, 44916240, 46869120, 49472960, 49713120, 51852672, 53338035, 53899488, 55657080, 56893904, 59367552, 59888320, 64005642, 64815840, 66284160, 67374360, 71117380, 71865984, 74209440, 85340856, 86421120, 89051328, 89832480, 98945920, 99426240, 106676070, 107798976, 111314160, 113787808, 119776640, 128011284, 129631680, 134748720, 142234760, 148418880, 160014105, 170681712, 178102656, 179664960, 198852480, 213352140, 215597952, 222628320, 227575616, 256022568, 259263360, 269497440, 284469520, 296837760, 320028210, 341363424, 359329920, 426704280, 445256640, 455151232, 512045136, 538994880, 568939040, 640056420, 682726848, 853408560, 890513280, 1024090272, 1077989760, 1137878080, 1280112840, 1365453696, 1706817120, 2048180544, 2275756160, 2560225680, 3413634240, 4096361088, 5120451360, 6827268480, 10240902720, 20481805440]

約数ペア:

[(1, 20481805440), (2, 10240902720), (3, 6827268480), (4, 5120451360), (5, 4096361088), (6, 3413634240), (8, 2560225680), (9, 2275756160), (10, 2048180544), (12, 1706817120), (15, 1365453696), (16, 1280112840), (18, 1137878080), (19, 1077989760), (20, 1024090272), (23, 890513280), (24, 853408560), (30, 682726848), (32, 640056420), (36, 568939040), (38, 538994880), (40, 512045136), (45, 455151232), (46, 445256640), (48, 426704280), (57, 359329920), (60, 341363424), (64, 320028210), (69, 296837760), (72, 284469520), (76, 269497440), (79, 259263360), (80, 256022568), (90, 227575616), (92, 222628320), (95, 215597952), (96, 213352140), (103, 198852480), (114, 179664960), (115, 178102656), (120, 170681712), (128, 160014105), (138, 148418880), (144, 142234760), (152, 134748720), (158, 129631680), (160, 128011284), (171, 119776640), (180, 113787808), (184, 111314160), (190, 107798976), (192, 106676070), (206, 99426240), (207, 98945920), (228, 89832480), (230, 89051328), (237, 86421120), (240, 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14403520), (1440, 14223476), (1472, 13914270), (1501, 13645440), (1520, 13474872), (1545, 13256832), (1580, 12963168), (1648, 12428280), (1656, 12368240), (1710, 11977664), (1748, 11717280), (1817, 11272320), (1824, 11229060), (1840, 11131416), (1854, 11047360), (1896, 10802640), (1920, 10667607), (1957, 10465920), (2060, 9942624), (2070, 9894592), (2185, 9373824), (2208, 9276180), (2280, 8983248), (2369, 8645760), (2370, 8642112), (2432, 8421795), (2472, 8285520), (2528, 8101980), (2622, 7811520), (2736, 7486040), (2760, 7420944), (2844, 7201760), (2880, 7111738), (2944, 6957135), (3002, 6822720), (3040, 6737436), (3090, 6628416), (3160, 6481584), (3296, 6214140), (3312, 6184120), (3420, 5988832), (3496, 5858640), (3555, 5761408), (3634, 5636160), (3648, 5614530), (3680, 5565708), (3708, 5523680), (3792, 5401320), (3914, 5232960), (3933, 5207680), (4120, 4971312), (4140, 4947296), (4370, 4686912), (4416, 4638090), (4503, 4548480), (4560, 4491624), (4635, 4418944), (4738, 4322880), (4740, 4321056), (4944, 4142760), (5056, 4050990), (5244, 3905760), (5451, 3757440), (5472, 3743020), (5520, 3710472), (5688, 3600880), (5760, 3555869), (5871, 3488640), (6004, 3411360), (6080, 3368718), (6180, 3314208), (6320, 3240792), (6555, 3124608), (6592, 3107070), (6624, 3092060), (6840, 2994416), (6992, 2929320), (7107, 2881920), (7110, 2880704), (7268, 2818080), (7296, 2807265), (7360, 2782854), (7416, 2761840), (7505, 2729088), (7584, 2700660), (7828, 2616480), (7866, 2603840), (8137, 2517120), (8240, 2485656), (8280, 2473648), (8740, 2343456), (8832, 2319045), (9006, 2274240), (9085, 2254464), (9120, 2245812), (9270, 2209472), (9476, 2161440), (9480, 2160528), (9785, 2093184), (9888, 2071380), (10112, 2025495), (10488, 1952880), (10902, 1878720), (10944, 1871510), (11040, 1855236), (11376, 1800440), (11742, 1744320), (11845, 1729152), (12008, 1705680), (12160, 1684359), (12360, 1657104), (12640, 1620396), (13110, 1562304), (13184, 1553535), (13248, 1546030), (13509, 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