19903927680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 1152

約数和(自身を含む): 89453445120

約数和(自身を除く): 69549517440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 23, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 46, 48, 52, 56, 60, 63, 64, 65, 69, 70, 72, 78, 80, 84, 90, 91, 92, 96, 104, 105, 112, 115, 117, 120, 126, 127, 128, 130, 138, 140, 144, 156, 160, 161, 168, 169, 180, 182, 184, 192, 195, 207, 208, 210, 224, 230, 234, 240, 252, 254, 260, 273, 276, 280, 288, 299, 312, 315, 320, 322, 336, 338, 345, 360, 364, 368, 381, 384, 390, 414, 416, 420, 448, 455, 460, 468, 480, 483, 504, 507, 508, 520, 546, 552, 560, 576, 585, 598, 624, 630, 635, 640, 644, 672, 676, 690, 720, 728, 736, 762, 780, 805, 819, 828, 832, 840, 845, 889, 896, 897, 910, 920, 936, 960, 966, 1008, 1014, 1016, 1035, 1040, 1092, 1104, 1120, 1143, 1152, 1170, 1183, 1196, 1248, 1260, 1270, 1288, 1344, 1352, 1365, 1380, 1440, 1449, 1456, 1472, 1495, 1521, 1524, 1560, 1610, 1638, 1651, 1656, 1664, 1680, 1690, 1778, 1794, 1820, 1840, 1872, 1905, 1920, 1932, 2016, 2028, 2032, 2070, 2080, 2093, 2184, 2208, 2240, 2286, 2340, 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16224, 16256, 16380, 16510, 16560, 16744, 17472, 17526, 17745, 17780, 17940, 18288, 18720, 18837, 18928, 19136, 19320, 19435, 19812, 20160, 20280, 20320, 20447, 20608, 20930, 21294, 21336, 21463, 21528, 21632, 21840, 22080, 22860, 23114, 23184, 23322, 23368, 23660, 23920, 24336, 24384, 24765, 24960, 25116, 25760, 26208, 26289, 26416, 26496, 26670, 26910, 27040, 27209, 28392, 28448, 28704, 28980, 29120, 29210, 29718, 30420, 30480, 30912, 31096, 31395, 32004, 32448, 32760, 33020, 33120, 33488, 34671, 34944, 34983, 35052, 35490, 35560, 35880, 36576, 37440, 37674, 37856, 37973, 38272, 38640, 38870, 39624, 40005, 40320, 40560, 40640, 40894, 41860, 42588, 42672, 42926, 43056, 43680, 43815, 44160, 45720, 46228, 46368, 46644, 46736, 47320, 47840, 48672, 48768, 49530, 50232, 51520, 52416, 52578, 52832, 53235, 53340, 53820, 54080, 54418, 56784, 56896, 57408, 57785, 57960, 58240, 58305, 58420, 59436, 60840, 60960, 61341, 61824, 62192, 62790, 64008, 64389, 64896, 65520, 66040, 66240, 66976, 69342, 69966, 70104, 70980, 71120, 71760, 73152, 74295, 74880, 75348, 75712, 75946, 77280, 77740, 79248, 80010, 81120, 81280, 81627, 81788, 83720, 85176, 85344, 85852, 86112, 87360, 87630, 91440, 92456, 92736, 93288, 93472, 94185, 94640, 95680, 97344, 99060, 100464, 102235, 103040, 104013, 104832, 105156, 105664, 106470, 106680, 107315, 107640, 108160, 108836, 113568, 113792, 113919, 114816, 115570, 115920, 116610, 116840, 118872, 121680, 121920, 122682, 124384, 125580, 128016, 128778, 131040, 131445, 132080, 132480, 133952, 136045, 138684, 139932, 140208, 141960, 142240, 143520, 146304, 148590, 150241, 150696, 151424, 151892, 154560, 155480, 158496, 160020, 162240, 163254, 163576, 167440, 170352, 170688, 171704, 172224, 173355, 174720, 174915, 175260, 182880, 184023, 184912, 185472, 186576, 186944, 188370, 189280, 189865, 191360, 193167, 194688, 198120, 200928, 204470, 208026, 210312, 211328, 212940, 213360, 214630, 215280, 217672, 227136, 227838, 231140, 231840, 233220, 233680, 237744, 243360, 243840, 244881, 245364, 248768, 251160, 256032, 257556, 262080, 262890, 264160, 265811, 267904, 272090, 277368, 279864, 280416, 283920, 284480, 287040, 297180, 300482, 301392, 303784, 306705, 309120, 310960, 316992, 320040, 321945, 324480, 326508, 327152, 334880, 340704, 341376, 341757, 343408, 344448, 346710, 349830, 350520, 365760, 368046, 369824, 373152, 373888, 376740, 378560, 379730, 386334, 396240, 401856, 408135, 408940, 416052, 420624, 425880, 426720, 429260, 430560, 435344, 450723, 454272, 455676, 462280, 463680, 466440, 467360, 475488, 486720, 489762, 490728, 493649, 497536, 502320, 512064, 515112, 520065, 524160, 525780, 528320, 531622, 544180, 554736, 559728, 560832, 567840, 568960, 569595, 574080, 594360, 600964, 602784, 607568, 613410, 621920, 633984, 640080, 643890, 653016, 654304, 669760, 681408, 683514, 686816, 693420, 699660, 701040, 731520, 736092, 739648, 746304, 751205, 753480, 757120, 759460, 772668, 792480, 797433, 803712, 816270, 817880, 832104, 841248, 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約数ペア:

[(1, 19903927680), (2, 9951963840), (3, 6634642560), (4, 4975981920), (5, 3980785536), (6, 3317321280), (7, 2843418240), (8, 2487990960), (9, 2211547520), (10, 1990392768), (12, 1658660640), (13, 1531071360), (14, 1421709120), (15, 1326928512), (16, 1243995480), (18, 1105773760), (20, 995196384), (21, 947806080), (23, 865388160), (24, 829330320), (26, 765535680), (28, 710854560), (30, 663464256), (32, 621997740), (35, 568683648), (36, 552886880), (39, 510357120), (40, 497598192), (42, 473903040), (45, 442309504), (46, 432694080), (48, 414665160), (52, 382767840), (56, 355427280), (60, 331732128), (63, 315935360), (64, 310998870), (65, 306214272), (69, 288462720), (70, 284341824), (72, 276443440), (78, 255178560), (80, 248799096), (84, 236951520), (90, 221154752), (91, 218724480), (92, 216347040), (96, 207332580), (104, 191383920), (105, 189561216), (112, 177713640), (115, 173077632), (117, 170119040), (120, 165866064), (126, 157967680), (127, 156723840), (128, 155499435), (130, 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