20145914880

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 1056

約数和(自身を含む): 84680951040

約数和(自身を除く): 64535036160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 29, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 58, 60, 64, 65, 70, 71, 78, 80, 84, 87, 91, 96, 98, 104, 105, 112, 116, 120, 128, 130, 140, 142, 145, 147, 156, 160, 168, 174, 182, 192, 195, 196, 203, 208, 210, 213, 224, 232, 240, 245, 256, 260, 273, 280, 284, 290, 294, 312, 320, 336, 348, 355, 364, 377, 384, 390, 392, 406, 416, 420, 426, 435, 448, 455, 464, 480, 490, 497, 512, 520, 546, 560, 568, 580, 588, 609, 624, 637, 640, 672, 696, 710, 728, 735, 754, 768, 780, 784, 812, 832, 840, 852, 870, 896, 910, 923, 928, 960, 980, 994, 1015, 1024, 1040, 1065, 1092, 1120, 1131, 1136, 1160, 1176, 1218, 1248, 1274, 1280, 1344, 1365, 1392, 1420, 1421, 1456, 1470, 1491, 1508, 1536, 1560, 1568, 1624, 1664, 1680, 1704, 1740, 1792, 1820, 1846, 1856, 1885, 1911, 1920, 1960, 1988, 2030, 2059, 2080, 2130, 2184, 2240, 2262, 2272, 2320, 2352, 2436, 2485, 2496, 2548, 2560, 2639, 2688, 2730, 2769, 2784, 2840, 2842, 2912, 2940, 2982, 3016, 3045, 3072, 3120, 3136, 3185, 3248, 3328, 3360, 3408, 3479, 3480, 3584, 3640, 3692, 3712, 3770, 3822, 3840, 3920, 3976, 4060, 4118, 4160, 4260, 4263, 4368, 4480, 4524, 4544, 4615, 4640, 4704, 4872, 4970, 4992, 5096, 5120, 5278, 5376, 5460, 5538, 5568, 5655, 5680, 5684, 5824, 5880, 5964, 6032, 6090, 6177, 6240, 6272, 6370, 6461, 6496, 6656, 6720, 6816, 6958, 6960, 7105, 7168, 7280, 7384, 7424, 7455, 7540, 7644, 7680, 7840, 7917, 7952, 8120, 8236, 8320, 8520, 8526, 8736, 8960, 9048, 9088, 9230, 9280, 9408, 9555, 9744, 9940, 9984, 10192, 10295, 10437, 10556, 10752, 10920, 11076, 11136, 11310, 11360, 11368, 11648, 11760, 11928, 12064, 12180, 12354, 12480, 12544, 12740, 12922, 12992, 13195, 13312, 13440, 13632, 13845, 13916, 13920, 14210, 14413, 14560, 14768, 14848, 14910, 15080, 15288, 15360, 15680, 15834, 15904, 16240, 16472, 16640, 17040, 17052, 17395, 17472, 17920, 18096, 18176, 18460, 18473, 18560, 18816, 19110, 19383, 19488, 19880, 19968, 20384, 20590, 20874, 21112, 21315, 21504, 21840, 22152, 22272, 22620, 22720, 22736, 23296, 23520, 23856, 24128, 24360, 24708, 24960, 25088, 25480, 25844, 25984, 26390, 26767, 26880, 27264, 27690, 27832, 27840, 28420, 28826, 29120, 29536, 29696, 29820, 30160, 30576, 30885, 31360, 31668, 31808, 32305, 32480, 32944, 33280, 34080, 34104, 34790, 34944, 35840, 36192, 36352, 36920, 36946, 37120, 37632, 38220, 38766, 38976, 39585, 39760, 39936, 40768, 41180, 41748, 42224, 42630, 43239, 43680, 44304, 44544, 45227, 45240, 45440, 45472, 46592, 47040, 47712, 48256, 48720, 49416, 49920, 50176, 50960, 51688, 51968, 52185, 52780, 53534, 53760, 54528, 55380, 55419, 55664, 55680, 56840, 57652, 58240, 59072, 59640, 60320, 61152, 61770, 62720, 63336, 63616, 64610, 64960, 65888, 66560, 68160, 68208, 69580, 69888, 72065, 72384, 72704, 73840, 73892, 74240, 75264, 76440, 77532, 77952, 79170, 79520, 80301, 81536, 82360, 83496, 84448, 85260, 86478, 87360, 88608, 89088, 90454, 90480, 90880, 90944, 92365, 93184, 94080, 95424, 96512, 96915, 97440, 98832, 99840, 100891, 101920, 103376, 103936, 104370, 105560, 107068, 107520, 109056, 110760, 110838, 111328, 111360, 113680, 115304, 116480, 118144, 119280, 120640, 122304, 123540, 125440, 126672, 127232, 129220, 129920, 131776, 133835, 135681, 136320, 136416, 139160, 139776, 144130, 144768, 147680, 147784, 148480, 150528, 152880, 155064, 155904, 158340, 159040, 160602, 163072, 164720, 166992, 168896, 170520, 172956, 174720, 177216, 180908, 180960, 181760, 181888, 184730, 187369, 188160, 190848, 193024, 193830, 194880, 197664, 199680, 201782, 203840, 206752, 207872, 208740, 211120, 214136, 216195, 218112, 221520, 221676, 222656, 222720, 226135, 227360, 230608, 232960, 236288, 238560, 241280, 244608, 247080, 250880, 253344, 254464, 258440, 259840, 263552, 267670, 271362, 272640, 272832, 277095, 278320, 279552, 288260, 289536, 295360, 295568, 302673, 305760, 310128, 311808, 316680, 318080, 321204, 326144, 329440, 333984, 337792, 341040, 345912, 349440, 354432, 361816, 361920, 363520, 363776, 369460, 374738, 376320, 381696, 386048, 387660, 389760, 395328, 401505, 403564, 407680, 413504, 417480, 422240, 428272, 432390, 443040, 443352, 445312, 445440, 452270, 454720, 461216, 465920, 472576, 477120, 482560, 489216, 494160, 504455, 506688, 508928, 516880, 519680, 527104, 535340, 542724, 545280, 545664, 554190, 556640, 562107, 576520, 579072, 590720, 591136, 605346, 611520, 620256, 623616, 633360, 636160, 642408, 652288, 658880, 667968, 675584, 678405, 682080, 691824, 698880, 708864, 723632, 723840, 727552, 738920, 749476, 752640, 763392, 775320, 779520, 790656, 803010, 807128, 815360, 827008, 834960, 844480, 856544, 864780, 886080, 886704, 890624, 904540, 909440, 922432, 936845, 945152, 954240, 965120, 978432, 988320, 1008910, 1013376, 1033760, 1039360, 1054208, 1070680, 1085448, 1090560, 1091328, 1108380, 1113280, 1124214, 1153040, 1158144, 1181440, 1182272, 1210692, 1223040, 1240512, 1266720, 1272320, 1284816, 1311583, 1317760, 1335936, 1351168, 1356810, 1364160, 1383648, 1397760, 1417728, 1447264, 1447680, 1455104, 1477840, 1498952, 1513365, 1526784, 1550640, 1559040, 1581312, 1606020, 1614256, 1630720, 1654016, 1669920, 1688960, 1713088, 1729560, 1772160, 1773408, 1781248, 1809080, 1818880, 1844864, 1873690, 1908480, 1930240, 1956864, 1976640, 2017820, 2026752, 2067520, 2108416, 2141360, 2170896, 2182656, 2216760, 2226560, 2248428, 2306080, 2362880, 2364544, 2421384, 2446080, 2481024, 2533440, 2544640, 2569632, 2623166, 2635520, 2671872, 2702336, 2713620, 2728320, 2767296, 2810535, 2835456, 2894528, 2895360, 2955680, 2997904, 3026730, 3101280, 3118080, 3162624, 3212040, 3228512, 3261440, 3308032, 3339840, 3377920, 3426176, 3459120, 3544320, 3546816, 3562496, 3618160, 3637760, 3689728, 3747380, 3816960, 3934749, 3953280, 4035640, 4053504, 4135040, 4282720, 4341792, 4365312, 4433520, 4453120, 4496856, 4612160, 4725760, 4729088, 4842768, 4892160, 4962048, 5066880, 5139264, 5246332, 5271040, 5343744, 5427240, 5456640, 5534592, 5621070, 5789056, 5790720, 5911360, 5995808, 6053460, 6202560, 6325248, 6424080, 6457024, 6557915, 6616064, 6679680, 6755840, 6852352, 6918240, 7088640, 7093632, 7236320, 7275520, 7379456, 7494760, 7633920, 7869498, 7906560, 8071280, 8107008, 8270080, 8565440, 8683584, 8867040, 8906240, 8993712, 9224320, 9458176, 9685536, 9784320, 9924096, 10133760, 10278528, 10492664, 10542080, 10687488, 10854480, 10913280, 11069184, 11242140, 11578112, 11822720, 11991616, 12106920, 12405120, 12848160, 12914048, 13115830, 13359360, 13511680, 13704704, 13836480, 14177280, 14187264, 14472640, 14758912, 14989520, 15738996, 15813120, 16142560, 16540160, 17130880, 17367168, 17734080, 17812480, 17987424, 18448640, 18916352, 19371072, 19673745, 19848192, 20267520, 20557056, 20985328, 21708960, 21826560, 22138368, 22484280, 23156224, 23645440, 23983232, 24213840, 24810240, 25696320, 25828096, 26231660, 26718720, 27409408, 27672960, 28374528, 28945280, 29979040, 31477992, 31626240, 32285120, 33080320, 34261760, 34734336, 35468160, 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2518239360, 2877987840, 3357652480, 4029182976, 5036478720, 6715304960, 10072957440, 20145914880]

約数ペア:

[(1, 20145914880), (2, 10072957440), (3, 6715304960), (4, 5036478720), (5, 4029182976), (6, 3357652480), (7, 2877987840), (8, 2518239360), (10, 2014591488), (12, 1678826240), (13, 1549685760), (14, 1438993920), (15, 1343060992), (16, 1259119680), (20, 1007295744), (21, 959329280), (24, 839413120), (26, 774842880), (28, 719496960), (29, 694686720), (30, 671530496), (32, 629559840), (35, 575597568), (39, 516561920), (40, 503647872), (42, 479664640), (48, 419706560), (49, 411141120), (52, 387421440), (56, 359748480), (58, 347343360), (60, 335765248), (64, 314779920), (65, 309937152), (70, 287798784), (71, 283745280), (78, 258280960), (80, 251823936), (84, 239832320), (87, 231562240), (91, 221383680), (96, 209853280), (98, 205570560), (104, 193710720), (105, 191865856), (112, 179874240), (116, 173671680), (120, 167882624), (128, 157389960), (130, 154968576), (140, 143899392), (142, 141872640), (145, 138937344), (147, 137047040), (156, 129140480), (160, 125911968), (168, 119916160), (174, 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(4992, 4035640), (5096, 3953280), (5120, 3934749), (5278, 3816960), (5376, 3747380), (5460, 3689728), (5538, 3637760), (5568, 3618160), (5655, 3562496), (5680, 3546816), (5684, 3544320), (5824, 3459120), (5880, 3426176), (5964, 3377920), (6032, 3339840), (6090, 3308032), (6177, 3261440), (6240, 3228512), (6272, 3212040), (6370, 3162624), (6461, 3118080), (6496, 3101280), (6656, 3026730), (6720, 2997904), (6816, 2955680), (6958, 2895360), (6960, 2894528), (7105, 2835456), (7168, 2810535), (7280, 2767296), (7384, 2728320), (7424, 2713620), (7455, 2702336), (7540, 2671872), (7644, 2635520), (7680, 2623166), (7840, 2569632), (7917, 2544640), (7952, 2533440), (8120, 2481024), (8236, 2446080), (8320, 2421384), (8520, 2364544), (8526, 2362880), (8736, 2306080), (8960, 2248428), (9048, 2226560), (9088, 2216760), (9230, 2182656), (9280, 2170896), (9408, 2141360), (9555, 2108416), (9744, 2067520), (9940, 2026752), (9984, 2017820), (10192, 1976640), (10295, 1956864), (10437, 1930240), (10556, 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(19968, 1008910), (20384, 988320), (20590, 978432), (20874, 965120), (21112, 954240), (21315, 945152), (21504, 936845), (21840, 922432), (22152, 909440), (22272, 904540), (22620, 890624), (22720, 886704), (22736, 886080), (23296, 864780), (23520, 856544), (23856, 844480), (24128, 834960), (24360, 827008), (24708, 815360), (24960, 807128), (25088, 803010), (25480, 790656), (25844, 779520), (25984, 775320), (26390, 763392), (26767, 752640), (26880, 749476), (27264, 738920), (27690, 727552), (27832, 723840), (27840, 723632), (28420, 708864), (28826, 698880), (29120, 691824), (29536, 682080), (29696, 678405), (29820, 675584), (30160, 667968), (30576, 658880), (30885, 652288), (31360, 642408), (31668, 636160), (31808, 633360), (32305, 623616), (32480, 620256), (32944, 611520), (33280, 605346), (34080, 591136), (34104, 590720), (34790, 579072), (34944, 576520), (35840, 562107), (36192, 556640), (36352, 554190), (36920, 545664), (36946, 545280), (37120, 542724), (37632, 535340), (38220, 527104), (38766, 519680), (38976, 516880), (39585, 508928), (39760, 506688), (39936, 504455), (40768, 494160), (41180, 489216), (41748, 482560), (42224, 477120), (42630, 472576), (43239, 465920), (43680, 461216), (44304, 454720), (44544, 452270), (45227, 445440), (45240, 445312), (45440, 443352), (45472, 443040), (46592, 432390), (47040, 428272), (47712, 422240), (48256, 417480), (48720, 413504), (49416, 407680), (49920, 403564), (50176, 401505), (50960, 395328), (51688, 389760), (51968, 387660), (52185, 386048), (52780, 381696), (53534, 376320), (53760, 374738), (54528, 369460), (55380, 363776), (55419, 363520), (55664, 361920), (55680, 361816), (56840, 354432), (57652, 349440), (58240, 345912), (59072, 341040), (59640, 337792), (60320, 333984), (61152, 329440), (61770, 326144), (62720, 321204), (63336, 318080), (63616, 316680), (64610, 311808), (64960, 310128), (65888, 305760), (66560, 302673), (68160, 295568), (68208, 295360), (69580, 289536), (69888, 288260), (72065, 279552), (72384, 278320), (72704, 277095), (73840, 272832), (73892, 272640), (74240, 271362), (75264, 267670), (76440, 263552), (77532, 259840), (77952, 258440), (79170, 254464), (79520, 253344), (80301, 250880), (81536, 247080), (82360, 244608), (83496, 241280), (84448, 238560), (85260, 236288), (86478, 232960), (87360, 230608), (88608, 227360), (89088, 226135), (90454, 222720), (90480, 222656), (90880, 221676), (90944, 221520), (92365, 218112), (93184, 216195), (94080, 214136), (95424, 211120), (96512, 208740), (96915, 207872), (97440, 206752), (98832, 203840), (99840, 201782), (100891, 199680), (101920, 197664), (103376, 194880), (103936, 193830), (104370, 193024), (105560, 190848), (107068, 188160), (107520, 187369), (109056, 184730), (110760, 181888), (110838, 181760), (111328, 180960), (111360, 180908), (113680, 177216), (115304, 174720), (116480, 172956), (118144, 170520), (119280, 168896), (120640, 166992), (122304, 164720), (123540, 163072), (125440, 160602), (126672, 159040), (127232, 158340), (129220, 155904), (129920, 155064), (131776, 152880), (133835, 150528), (135681, 148480), (136320, 147784), (136416, 147680), (139160, 144768), (139776, 144130)]