20805387120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:214

約数の個数: 960

約数和(自身を含む): 87502970880

約数和(自身を除く): 66697583760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 37, 40, 42, 45, 48, 56, 59, 60, 61, 62, 63, 70, 72, 74, 80, 84, 90, 93, 105, 111, 112, 118, 120, 122, 124, 126, 140, 144, 148, 155, 168, 177, 180, 183, 185, 186, 210, 217, 222, 236, 240, 244, 248, 252, 259, 279, 280, 295, 296, 305, 310, 315, 333, 336, 354, 360, 366, 370, 372, 413, 420, 427, 434, 444, 465, 472, 488, 496, 504, 518, 531, 549, 555, 558, 560, 590, 592, 610, 620, 630, 651, 666, 708, 720, 732, 740, 744, 777, 826, 840, 854, 868, 885, 888, 915, 930, 944, 976, 1008, 1036, 1062, 1085, 1098, 1110, 1116, 1147, 1180, 1220, 1239, 1240, 1260, 1281, 1295, 1302, 1332, 1395, 1416, 1464, 1480, 1488, 1554, 1652, 1665, 1680, 1708, 1736, 1770, 1776, 1829, 1830, 1860, 1891, 1953, 2065, 2072, 2124, 2135, 2170, 2183, 2196, 2220, 2232, 2257, 2294, 2331, 2360, 2440, 2478, 2480, 2520, 2562, 2590, 2604, 2655, 2664, 2745, 2790, 2832, 2928, 2960, 3108, 3255, 3304, 3330, 3416, 3441, 3472, 3540, 3599, 3658, 3660, 3717, 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30744, 31080, 31248, 31598, 32116, 32391, 32745, 32922, 33040, 33855, 34038, 34160, 34410, 34928, 35990, 36112, 36580, 37170, 37296, 37820, 38409, 38430, 39060, 39294, 39711, 40145, 40626, 41292, 42480, 43188, 43660, 43896, 43920, 45140, 45384, 45843, 45880, 46620, 47397, 48174, 49560, 50386, 51212, 51240, 51615, 52080, 52392, 52948, 53985, 54168, 54870, 55056, 56730, 57584, 59472, 61124, 61488, 62160, 63196, 64015, 64232, 64782, 65490, 65844, 66185, 67673, 67710, 68076, 68820, 69967, 71980, 72261, 73160, 74340, 75579, 75640, 76405, 76818, 76860, 78120, 78588, 78995, 79422, 80290, 81252, 82305, 82584, 85095, 86376, 87320, 87792, 90280, 90768, 91686, 91760, 93240, 94794, 96348, 98235, 99120, 100772, 101565, 102424, 102480, 103230, 104784, 105896, 107970, 108336, 109740, 111569, 113460, 115227, 119133, 120435, 122248, 125965, 126392, 128030, 128464, 129564, 130980, 131688, 132370, 133163, 135346, 135420, 136152, 137529, 137640, 139934, 142191, 143960, 144522, 146320, 148680, 151158, 151280, 152810, 153636, 153720, 156240, 157176, 157990, 158844, 160580, 161955, 162504, 164610, 165168, 170190, 172752, 174640, 180560, 183372, 186480, 189588, 192045, 192696, 196470, 198555, 201544, 203019, 203130, 204848, 206460, 209901, 211792, 215940, 219480, 223138, 226737, 226920, 229215, 230454, 236985, 238266, 240870, 244496, 251930, 252784, 256060, 259128, 261960, 263376, 264740, 266326, 270692, 270840, 272304, 275058, 275280, 279868, 284382, 287920, 289044, 297360, 302316, 305620, 307272, 307440, 314352, 315980, 317688, 321160, 323910, 325008, 329220, 334707, 338365, 340380, 349835, 361305, 366744, 377895, 379176, 384090, 385392, 392940, 397110, 399489, 403088, 406038, 406260, 412920, 419802, 431880, 438960, 446276, 453474, 453840, 458430, 460908, 473711, 473970, 476532, 481740, 489769, 503860, 512120, 518256, 523920, 529480, 532652, 541384, 541680, 550116, 557845, 559736, 568764, 576135, 578088, 595665, 604632, 609057, 611240, 614544, 629703, 631960, 635376, 642320, 647820, 658440, 665815, 669414, 676730, 680760, 687645, 699670, 710955, 722610, 733488, 755790, 758352, 768180, 780983, 785880, 794220, 798978, 812076, 812520, 825840, 839604, 863760, 892552, 906948, 916860, 921816, 932141, 947422, 947940, 953064, 963480, 979538, 1004121, 1007720, 1015095, 1024240, 1049505, 1058960, 1065304, 1082768, 1100232, 1115690, 1119472, 1133685, 1137528, 1152270, 1156176, 1191330, 1198467, 1209264, 1218114, 1222480, 1259406, 1263920, 1295640, 1316880, 1331630, 1338828, 1353460, 1361520, 1375290, 1399340, 1421133, 1421910, 1445220, 1469307, 1511580, 1536360, 1561966, 1571760, 1588440, 1597956, 1624152, 1625040, 1673535, 1679208, 1785104, 1813896, 1833720, 1843632, 1864282, 1894844, 1895880, 1906128, 1926960, 1959076, 1997445, 2008242, 2015440, 2030190, 2099010, 2130608, 2200464, 2231380, 2267370, 2275056, 2304540, 2342949, 2368555, 2382660, 2396934, 2436228, 2448845, 2518812, 2591280, 2663260, 2677656, 2706920, 2750580, 2796423, 2798680, 2842266, 2843820, 2890440, 2938614, 3023160, 3045285, 3072720, 3123932, 3148515, 3176880, 3195912, 3248304, 3347070, 3358416, 3627792, 3667440, 3728564, 3789688, 3791760, 3904915, 3918152, 3994890, 4016484, 4060380, 4128053, 4198020, 4263399, 4407921, 4462760, 4534740, 4609080, 4660705, 4685898, 4737110, 4765320, 4793868, 4872456, 4897690, 5020605, 5037624, 5326520, 5355312, 5413840, 5501160, 5592846, 5597360, 5684532, 5687640, 5780880, 5877228, 5992335, 6046320, 6090570, 6247864, 6297030, 6391824, 6694140, 7028847, 7105665, 7346535, 7457128, 7579376, 7809830, 7836304, 7989780, 8032968, 8120760, 8256106, 8389269, 8396040, 8526798, 8815842, 8925520, 9069480, 9218160, 9321410, 9371796, 9474220, 9530640, 9587736, 9744912, 9795380, 10041210, 10075248, 10653040, 11002320, 11185692, 11369064, 11375280, 11714745, 11754456, 11984670, 12181140, 12384159, 12495728, 12594060, 13388280, 13982115, 14057694, 14211330, 14693070, 14914256, 15619660, 15979560, 16065936, 16241520, 16512212, 16778538, 16792080, 17053596, 17631684, 18138960, 18642820, 18743592, 18948440, 19175472, 19590760, 20082420, 20640265, 21316995, 22039605, 22371384, 22738128, 23429490, 23508912, 23969340, 24362280, 24768318, 25188120, 26776560, 27964230, 28115388, 28422660, 28896371, 29386140, 31239320, 31959120, 33024424, 33557076, 34107192, 35144235, 35263368, 37152477, 37285640, 37487184, 37896880, 39181520, 40164840, 41280530, 41946345, 42633990, 44079210, 44742768, 46858980, 47938680, 48724560, 49536636, 50376240, 55928460, 56230776, 56845320, 57792742, 58772280, 61920795, 62478640, 66048848, 67114152, 68214384, 70288470, 70526736, 74304954, 74571280, 80329680, 82561060, 83892690, 85267980, 86689113, 88158420, 93717960, 95877360, 99073272, 111856920, 112461552, 113690640, 115585484, 117544560, 123841590, 134228304, 140576940, 144481855, 148609908, 165122120, 167785380, 170535960, 173378226, 176316840, 185762385, 187435920, 198146544, 223713840, 231170968, 247683180, 260067339, 281153880, 288963710, 297219816, 330244240, 335570760, 341071920, 346756452, 352633680, 371524770, 433445565, 462341936, 495366360, 520134678, 562307760, 577927420, 594439632, 671141520, 693512904, 743049540, 866891130, 990732720, 1040269356, 1155854840, 1300336695, 1387025808, 1486099080, 1733782260, 2080538712, 2311709680, 2600673390, 2972198160, 3467564520, 4161077424, 5201346780, 6935129040, 10402693560, 20805387120]

約数ペア:

[(1, 20805387120), (2, 10402693560), (3, 6935129040), (4, 5201346780), (5, 4161077424), (6, 3467564520), (7, 2972198160), (8, 2600673390), (9, 2311709680), (10, 2080538712), (12, 1733782260), (14, 1486099080), (15, 1387025808), (16, 1300336695), (18, 1155854840), (20, 1040269356), (21, 990732720), (24, 866891130), (28, 743049540), (30, 693512904), (31, 671141520), (35, 594439632), (36, 577927420), (37, 562307760), (40, 520134678), (42, 495366360), (45, 462341936), (48, 433445565), (56, 371524770), (59, 352633680), (60, 346756452), (61, 341071920), (62, 335570760), (63, 330244240), (70, 297219816), (72, 288963710), (74, 281153880), (80, 260067339), (84, 247683180), (90, 231170968), (93, 223713840), (105, 198146544), (111, 187435920), (112, 185762385), (118, 176316840), (120, 173378226), (122, 170535960), (124, 167785380), (126, 165122120), (140, 148609908), (144, 144481855), (148, 140576940), (155, 134228304), (168, 123841590), (177, 117544560), (180, 115585484), (183, 113690640), (185, 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(888, 23429490), (915, 22738128), (930, 22371384), (944, 22039605), (976, 21316995), (1008, 20640265), (1036, 20082420), (1062, 19590760), (1085, 19175472), (1098, 18948440), (1110, 18743592), (1116, 18642820), (1147, 18138960), (1180, 17631684), (1220, 17053596), (1239, 16792080), (1240, 16778538), (1260, 16512212), (1281, 16241520), (1295, 16065936), (1302, 15979560), (1332, 15619660), (1395, 14914256), (1416, 14693070), (1464, 14211330), (1480, 14057694), (1488, 13982115), (1554, 13388280), (1652, 12594060), (1665, 12495728), (1680, 12384159), (1708, 12181140), (1736, 11984670), (1770, 11754456), (1776, 11714745), (1829, 11375280), (1830, 11369064), (1860, 11185692), (1891, 11002320), (1953, 10653040), (2065, 10075248), (2072, 10041210), (2124, 9795380), (2135, 9744912), (2170, 9587736), (2183, 9530640), (2196, 9474220), (2220, 9371796), (2232, 9321410), (2257, 9218160), (2294, 9069480), (2331, 8925520), (2360, 8815842), (2440, 8526798), (2478, 8396040), (2480, 8389269), (2520, 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172752), (122248, 170190), (125965, 165168), (126392, 164610), (128030, 162504), (128464, 161955), (129564, 160580), (130980, 158844), (131688, 157990), (132370, 157176), (133163, 156240), (135346, 153720), (135420, 153636), (136152, 152810), (137529, 151280), (137640, 151158), (139934, 148680), (142191, 146320), (143960, 144522)]