81384289920

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1662

約数の個数: 640

約数和(自身を含む): 311907024000

約数和(自身を除く): 230522734080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 53, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 106, 108, 114, 120, 128, 135, 144, 152, 159, 160, 162, 171, 180, 190, 192, 212, 216, 228, 240, 265, 270, 285, 288, 304, 318, 320, 324, 342, 360, 380, 384, 405, 424, 432, 456, 477, 480, 513, 530, 540, 570, 576, 608, 636, 640, 648, 684, 720, 760, 795, 810, 848, 855, 864, 912, 954, 960, 1007, 1026, 1060, 1080, 1140, 1152, 1216, 1272, 1296, 1368, 1431, 1440, 1520, 1539, 1559, 1590, 1620, 1696, 1710, 1728, 1824, 1908, 1920, 2014, 2052, 2120, 2160, 2280, 2385, 2432, 2544, 2565, 2592, 2736, 2862, 2880, 3021, 3040, 3078, 3118, 3180, 3240, 3392, 3420, 3456, 3648, 3816, 4028, 4104, 4240, 4293, 4320, 4560, 4677, 4770, 5035, 5088, 5130, 5184, 5472, 5724, 5760, 6042, 6080, 6156, 6236, 6360, 6480, 6784, 6840, 7155, 7296, 7632, 7695, 7795, 8056, 8208, 8480, 8586, 8640, 9063, 9120, 9354, 9540, 10070, 10176, 10260, 10368, 10944, 11448, 12084, 12160, 12312, 12472, 12720, 12960, 13680, 14031, 14310, 15105, 15264, 15390, 15590, 16112, 16416, 16960, 17172, 17280, 18126, 18240, 18708, 19080, 20140, 20352, 20520, 21465, 21888, 22896, 23385, 24168, 24624, 24944, 25440, 25920, 27189, 27360, 28062, 28620, 29621, 30210, 30528, 30780, 31180, 32224, 32832, 33920, 34344, 36252, 36480, 37416, 38160, 40280, 41040, 42093, 42930, 45315, 45792, 46770, 48336, 49248, 49888, 50880, 51840, 54378, 54720, 56124, 57240, 59242, 60420, 61056, 61560, 62360, 64448, 65664, 68688, 70155, 72504, 74832, 76320, 80560, 81567, 82080, 82627, 84186, 85860, 88863, 90630, 91584, 93540, 96672, 98496, 99776, 101760, 108756, 109440, 112248, 114480, 118484, 120840, 123120, 124720, 126279, 128896, 135945, 137376, 140310, 145008, 148105, 149664, 152640, 161120, 163134, 164160, 165254, 168372, 171720, 177726, 181260, 183168, 187080, 193344, 196992, 199552, 210465, 217512, 224496, 228960, 236968, 241680, 246240, 247881, 249440, 252558, 266589, 271890, 274752, 280620, 290016, 296210, 299328, 305280, 322240, 326268, 328320, 330508, 336744, 343440, 355452, 362520, 374160, 386688, 407835, 413135, 420930, 435024, 444315, 448992, 457920, 473936, 483360, 492480, 495762, 498880, 505116, 533178, 543780, 549504, 561240, 580032, 592420, 598656, 631395, 644480, 652536, 661016, 673488, 686880, 710904, 725040, 743643, 748320, 799767, 815670, 826270, 841860, 870048, 888630, 897984, 915840, 947872, 966720, 984960, 991524, 997760, 1010232, 1066356, 1087560, 1122480, 1160064, 1184840, 1239405, 1262790, 1305072, 1322032, 1332945, 1346976, 1373760, 1421808, 1450080, 1487286, 1496640, 1569913, 1599534, 1631340, 1652540, 1683720, 1740096, 1777260, 1795968, 1895744, 1933440, 1983048, 2020464, 2132712, 2175120, 2230929, 2244960, 2369680, 2399301, 2478810, 2525580, 2610144, 2644064, 2665890, 2693952, 2747520, 2843616, 2900160, 2974572, 2993280, 3139826, 3199068, 3262680, 3305080, 3367440, 3480192, 3554520, 3718215, 3791488, 3966096, 3998835, 4040928, 4265424, 4350240, 4461858, 4489920, 4709739, 4739360, 4798602, 4957620, 5051160, 5220288, 5288128, 5331780, 5387904, 5687232, 5800320, 5949144, 6279652, 6398136, 6525360, 6610160, 6692787, 6734880, 7109040, 7436430, 7849565, 7932192, 7997670, 8081856, 8530848, 8700480, 8923716, 8979840, 9419478, 9478720, 9597204, 9915240, 10102320, 10440576, 10576256, 10663560, 11154645, 11374464, 11898288, 11996505, 12559304, 12796272, 13050720, 13220320, 13385574, 13469760, 14129217, 14218080, 14872860, 15699130, 15864384, 15995340, 16163712, 17061696, 17400960, 17847432, 18838956, 18957440, 19194408, 19830480, 20204640, 21327120, 22309290, 23548695, 23796576, 23993010, 25118608, 25592544, 26101440, 26440640, 26771148, 26939520, 28258434, 28436160, 29745720, 31398260, 31728768, 31990680, 33463935, 34123392, 35694864, 37677912, 38388816, 39660960, 40409280, 42387651, 42654240, 44618580, 47097390, 47593152, 47986020, 50237216, 51185088, 52202880, 52881280, 53542296, 56516868, 56872320, 59491440, 62796520, 63981360, 66927870, 70646085, 71389728, 75355824, 76777632, 79321920, 80818560, 84775302, 85308480, 89237160, 94194780, 95186304, 95972040, 100474432, 102370176, 107084592, 113033736, 118982880, 125593040, 127162953, 127962720, 133855740, 141292170, 142779456, 150711648, 153555264, 158643840, 169550604, 170616960, 178474320, 188389560, 191944080, 200948864, 211938255, 214169184, 226067472, 237965760, 251186080, 254325906, 255925440, 267711480, 282584340, 285558912, 301423296, 307110528, 339101208, 356948640, 376779120, 383888160, 423876510, 428338368, 452134944, 475931520, 502372160, 508651812, 511850880, 535422960, 565168680, 602846592, 635814765, 678202416, 713897280, 753558240, 767776320, 847753020, 856676736, 904269888, 1004744320, 1017303624, 1070845920, 1130337360, 1271629530, 1356404832, 1427794560, 1507116480, 1535552640, 1695506040, 1808539776, 2034607248, 2141691840, 2260674720, 2543259060, 2712809664, 3014232960, 3391012080, 4069214496, 4283383680, 4521349440, 5086518120, 5425619328, 6782024160, 8138428992, 9042698880, 10173036240, 13564048320, 16276857984, 20346072480, 27128096640, 40692144960, 81384289920]

約数ペア:

[(1, 81384289920), (2, 40692144960), (3, 27128096640), (4, 20346072480), (5, 16276857984), (6, 13564048320), (8, 10173036240), (9, 9042698880), (10, 8138428992), (12, 6782024160), (15, 5425619328), (16, 5086518120), (18, 4521349440), (19, 4283383680), (20, 4069214496), (24, 3391012080), (27, 3014232960), (30, 2712809664), (32, 2543259060), (36, 2260674720), (38, 2141691840), (40, 2034607248), (45, 1808539776), (48, 1695506040), (53, 1535552640), (54, 1507116480), (57, 1427794560), (60, 1356404832), (64, 1271629530), (72, 1130337360), (76, 1070845920), (80, 1017303624), (81, 1004744320), (90, 904269888), (95, 856676736), (96, 847753020), (106, 767776320), (108, 753558240), (114, 713897280), (120, 678202416), (128, 635814765), (135, 602846592), (144, 565168680), (152, 535422960), (159, 511850880), (160, 508651812), (162, 502372160), (171, 475931520), (180, 452134944), (190, 428338368), (192, 423876510), (212, 383888160), (216, 376779120), (228, 356948640), (240, 339101208), (265, 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(1710, 47593152), (1728, 47097390), (1824, 44618580), (1908, 42654240), (1920, 42387651), (2014, 40409280), (2052, 39660960), (2120, 38388816), (2160, 37677912), (2280, 35694864), (2385, 34123392), (2432, 33463935), (2544, 31990680), (2565, 31728768), (2592, 31398260), (2736, 29745720), (2862, 28436160), (2880, 28258434), (3021, 26939520), (3040, 26771148), (3078, 26440640), (3118, 26101440), (3180, 25592544), (3240, 25118608), (3392, 23993010), (3420, 23796576), (3456, 23548695), (3648, 22309290), (3816, 21327120), (4028, 20204640), (4104, 19830480), (4240, 19194408), (4293, 18957440), (4320, 18838956), (4560, 17847432), (4677, 17400960), (4770, 17061696), (5035, 16163712), (5088, 15995340), (5130, 15864384), (5184, 15699130), (5472, 14872860), (5724, 14218080), (5760, 14129217), (6042, 13469760), (6080, 13385574), (6156, 13220320), (6236, 13050720), (6360, 12796272), (6480, 12559304), (6784, 11996505), (6840, 11898288), (7155, 11374464), (7296, 11154645), (7632, 10663560), (7695, 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2693952), (30528, 2665890), (30780, 2644064), (31180, 2610144), (32224, 2525580), (32832, 2478810), (33920, 2399301), (34344, 2369680), (36252, 2244960), (36480, 2230929), (37416, 2175120), (38160, 2132712), (40280, 2020464), (41040, 1983048), (42093, 1933440), (42930, 1895744), (45315, 1795968), (45792, 1777260), (46770, 1740096), (48336, 1683720), (49248, 1652540), (49888, 1631340), (50880, 1599534), (51840, 1569913), (54378, 1496640), (54720, 1487286), (56124, 1450080), (57240, 1421808), (59242, 1373760), (60420, 1346976), (61056, 1332945), (61560, 1322032), (62360, 1305072), (64448, 1262790), (65664, 1239405), (68688, 1184840), (70155, 1160064), (72504, 1122480), (74832, 1087560), (76320, 1066356), (80560, 1010232), (81567, 997760), (82080, 991524), (82627, 984960), (84186, 966720), (85860, 947872), (88863, 915840), (90630, 897984), (91584, 888630), (93540, 870048), (96672, 841860), (98496, 826270), (99776, 815670), (101760, 799767), (108756, 748320), (109440, 743643), (112248, 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