20121702720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:878

約数の個数: 448

約数和(自身を含む): 76672659456

約数和(自身を除く): 56550956736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 192, 210, 211, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 420, 422, 448, 460, 480, 483, 552, 560, 617, 633, 644, 672, 690, 736, 805, 840, 844, 920, 960, 966, 1055, 1104, 1120, 1234, 1266, 1288, 1344, 1380, 1472, 1477, 1610, 1680, 1688, 1840, 1851, 1932, 2110, 2208, 2240, 2415, 2468, 2532, 2576, 2760, 2954, 3085, 3165, 3220, 3360, 3376, 3680, 3702, 3864, 4220, 4319, 4416, 4431, 4830, 4853, 4936, 5064, 5152, 5520, 5908, 6170, 6330, 6440, 6720, 6752, 7360, 7385, 7404, 7728, 8440, 8638, 8862, 9255, 9660, 9706, 9872, 10128, 10304, 11040, 11816, 12340, 12660, 12880, 12957, 13504, 14191, 14559, 14770, 14808, 15456, 16880, 17276, 17724, 18510, 19320, 19412, 19744, 20256, 21595, 22080, 22155, 23632, 24265, 24680, 25320, 25760, 25914, 28382, 29118, 29540, 29616, 30912, 33760, 33971, 34552, 35448, 37020, 38640, 38824, 39488, 40512, 42573, 43190, 44310, 47264, 48530, 49360, 50640, 51520, 51828, 56764, 58236, 59080, 59232, 64785, 67520, 67942, 69104, 70896, 70955, 72795, 74040, 77280, 77648, 85146, 86380, 88620, 94528, 97060, 98720, 99337, 101280, 101913, 103656, 113528, 116472, 118160, 118464, 129570, 130187, 135884, 138208, 141792, 141910, 145590, 148080, 154560, 155296, 169855, 170292, 172760, 177240, 194120, 197440, 198674, 202560, 203826, 207312, 212865, 227056, 232944, 236320, 259140, 260374, 271768, 276416, 283584, 283820, 291180, 296160, 298011, 310592, 339710, 340584, 345520, 354480, 388240, 390561, 397348, 407652, 414624, 425730, 454112, 465888, 472640, 496685, 509565, 518280, 520748, 543536, 567640, 582360, 592320, 596022, 650935, 679420, 681168, 691040, 708960, 776480, 781122, 794696, 815304, 829248, 851460, 908224, 911309, 931776, 993370, 1019130, 1036560, 1041496, 1087072, 1135280, 1164720, 1192044, 1301870, 1358840, 1362336, 1382080, 1417920, 1490055, 1552960, 1562244, 1589392, 1630608, 1702920, 1822618, 1952805, 1986740, 2038260, 2073120, 2082992, 2174144, 2270560, 2329440, 2384088, 2603740, 2717680, 2724672, 2733927, 2980110, 2994301, 3124488, 3178784, 3261216, 3405840, 3645236, 3905610, 3973480, 4076520, 4146240, 4165984, 4541120, 4556545, 4658880, 4768176, 5207480, 5435360, 5467854, 5960220, 5988602, 6248976, 6357568, 6522432, 6811680, 7290472, 7811220, 7946960, 8153040, 8331968, 8982903, 9113090, 9536352, 10414960, 10870720, 10935708, 11920440, 11977204, 12497952, 13623360, 13669635, 14580944, 14971505, 15622440, 15893920, 16306080, 17965806, 18226180, 19072704, 20829920, 20960107, 21871416, 23840880, 23954408, 24995904, 27339270, 29161888, 29943010, 31244880, 31787840, 32612160, 35931612, 36452360, 41659840, 41920214, 43742832, 44914515, 47681760, 47908816, 54678540, 58323776, 59886020, 62489760, 62880321, 71863224, 72904720, 83840428, 87485664, 89829030, 95363520, 95817632, 104800535, 109357080, 119772040, 124979520, 125760642, 143726448, 145809440, 167680856, 174971328, 179658060, 191635264, 209601070, 218714160, 239544080, 251521284, 287452896, 291618880, 314401605, 335361712, 359316120, 419202140, 437428320, 479088160, 503042568, 574905792, 628803210, 670723424, 718632240, 838404280, 874856640, 958176320, 1006085136, 1257606420, 1341446848, 1437264480, 1676808560, 2012170272, 2515212840, 2874528960, 3353617120, 4024340544, 5030425680, 6707234240, 10060851360, 20121702720]

約数ペア:

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