20845611360

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 1152

約数和(自身を含む): 91837670400

約数和(自身を除く): 70992059040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 70, 71, 72, 73, 76, 80, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 133, 135, 140, 142, 144, 146, 147, 152, 160, 168, 171, 180, 189, 190, 196, 210, 213, 216, 219, 224, 228, 240, 245, 252, 266, 270, 280, 284, 285, 288, 292, 294, 304, 315, 336, 342, 355, 360, 365, 378, 380, 392, 399, 420, 426, 432, 438, 441, 456, 480, 490, 497, 504, 511, 513, 532, 540, 560, 568, 570, 584, 588, 608, 630, 639, 657, 665, 672, 684, 710, 720, 730, 735, 756, 760, 784, 798, 840, 852, 855, 864, 876, 882, 912, 931, 945, 980, 994, 1008, 1022, 1026, 1064, 1065, 1080, 1095, 1120, 1136, 1140, 1168, 1176, 1197, 1260, 1278, 1314, 1323, 1330, 1349, 1368, 1387, 1420, 1440, 1460, 1470, 1491, 1512, 1520, 1533, 1568, 1596, 1680, 1704, 1710, 1752, 1764, 1824, 1862, 1890, 1917, 1960, 1971, 1988, 1995, 2016, 2044, 2052, 2128, 2130, 2160, 2190, 2205, 2272, 2280, 2336, 2352, 2394, 2485, 2520, 2555, 2556, 2565, 2628, 2646, 2660, 2698, 2736, 2774, 2793, 2840, 2920, 2940, 2982, 3024, 3040, 3066, 3192, 3195, 3285, 3360, 3408, 3420, 3479, 3504, 3528, 3577, 3591, 3724, 3780, 3834, 3920, 3942, 3976, 3990, 4047, 4088, 4104, 4161, 4256, 4260, 4320, 4380, 4410, 4473, 4560, 4599, 4655, 4704, 4788, 4970, 5040, 5110, 5112, 5130, 5183, 5256, 5292, 5320, 5396, 5472, 5548, 5586, 5680, 5840, 5880, 5964, 5985, 6048, 6132, 6384, 6390, 6570, 6615, 6745, 6816, 6840, 6935, 6958, 7008, 7056, 7154, 7182, 7448, 7455, 7560, 7665, 7668, 7840, 7884, 7952, 7980, 8094, 8176, 8208, 8322, 8379, 8520, 8760, 8820, 8946, 9120, 9198, 9310, 9443, 9576, 9585, 9709, 9855, 9940, 10080, 10220, 10224, 10260, 10366, 10437, 10512, 10584, 10640, 10731, 10792, 11096, 11172, 11360, 11680, 11760, 11928, 11970, 12141, 12264, 12483, 12768, 12780, 13140, 13230, 13419, 13490, 13680, 13797, 13870, 13916, 13965, 14112, 14308, 14364, 14896, 14910, 15120, 15330, 15336, 15549, 15768, 15904, 15960, 16188, 16352, 16416, 16644, 16758, 17040, 17395, 17520, 17640, 17885, 17892, 17955, 18396, 18620, 18886, 19152, 19170, 19418, 19710, 19880, 20235, 20440, 20448, 20520, 20732, 20805, 20874, 21024, 21168, 21280, 21462, 21584, 22192, 22344, 22365, 22995, 23520, 23856, 23940, 24282, 24528, 24966, 25137, 25560, 25915, 26280, 26460, 26838, 26980, 27360, 27594, 27740, 27832, 27930, 28329, 28616, 28728, 29127, 29792, 29820, 30240, 30660, 30672, 31098, 31311, 31536, 31920, 32193, 32376, 33288, 33516, 34080, 34790, 35040, 35280, 35770, 35784, 35910, 36281, 36423, 36792, 37240, 37449, 37772, 38304, 38340, 38836, 39420, 39760, 40470, 40880, 41040, 41464, 41610, 41748, 41895, 42336, 42924, 43168, 44384, 44688, 44730, 45990, 46647, 47215, 47712, 47880, 48545, 48564, 49056, 49932, 50274, 51120, 51830, 52185, 52560, 52920, 53655, 53676, 53960, 55188, 55480, 55664, 55860, 56658, 57232, 57456, 58254, 59640, 60705, 61320, 61344, 62196, 62415, 62622, 63072, 63840, 64386, 64752, 66101, 66576, 67032, 67095, 67963, 68985, 69580, 70560, 71540, 71568, 71820, 72562, 72846, 73584, 74480, 74898, 75544, 76680, 77672, 77745, 78840, 79520, 80940, 81760, 82080, 82928, 83220, 83496, 83790, 84987, 85848, 87381, 89376, 89460, 91980, 93294, 93933, 94430, 95760, 96579, 97090, 97128, 98477, 99864, 100548, 102240, 103660, 104370, 105120, 105840, 107310, 107352, 107920, 108843, 110376, 110960, 111328, 111720, 113316, 114464, 114912, 116508, 119280, 121410, 122640, 124392, 124830, 125244, 125685, 128772, 129504, 132202, 133152, 134064, 134190, 135926, 137970, 139160, 139941, 141645, 143080, 143136, 143640, 145124, 145635, 145692, 147168, 148960, 149796, 151088, 153360, 155344, 155490, 156555, 157680, 160965, 161880, 165856, 166440, 166992, 167580, 169974, 171696, 174762, 178920, 181405, 182115, 183960, 186588, 187245, 187866, 188860, 191520, 193158, 194180, 194256, 196954, 198303, 199728, 201096, 203889, 207320, 208740, 211680, 214620, 214704, 215840, 217686, 220752, 221920, 223440, 226632, 233016, 233235, 238560, 242820, 245280, 248784, 249660, 250488, 251370, 253967, 254961, 257544, 262143, 264404, 268128, 268380, 271852, 275940, 278320, 279882, 283290, 286160, 287280, 290248, 291270, 291384, 295431, 299592, 302176, 306720, 310688, 310980, 313110, 315360, 321930, 323760, 326529, 330505, 332880, 333984, 335160, 339815, 339948, 343392, 349524, 357840, 362810, 364230, 367920, 373176, 374490, 375732, 377720, 386316, 388360, 388512, 393908, 396606, 399456, 402192, 407778, 414640, 417480, 424935, 429240, 429408, 435372, 436905, 441504, 446880, 453264, 466032, 466470, 469665, 482895, 485640, 492385, 497568, 499320, 500976, 502740, 507934, 509922, 515088, 524286, 528808, 536760, 543704, 544215, 551880, 556640, 559764, 566580, 572320, 574560, 580496, 582540, 582768, 590862, 594909, 599184, 611667, 621960, 626220, 643860, 647520, 653058, 661010, 665760, 670320, 679630, 679896, 689339, 699048, 699705, 715680, 725620, 728460, 735840, 746352, 748980, 751464, 755440, 761901, 772632, 776720, 787816, 793212, 804384, 815556, 829280, 834960, 849870, 858480, 870744, 873810, 886293, 906528, 932064, 932940, 939330, 965790, 971280, 979587, 984770, 991515, 998640, 1001952, 1005480, 1015868, 1019445, 1019844, 1030176, 1048572, 1057616, 1073520, 1087408, 1088430, 1103760, 1119528, 1133160, 1160992, 1165080, 1165536, 1181724, 1189818, 1198368, 1223334, 1243920, 1252440, 1269835, 1274805, 1287720, 1306116, 1310715, 1322020, 1340640, 1359260, 1359792, 1378678, 1398096, 1399410, 1451240, 1456920, 1477155, 1492704, 1497960, 1502928, 1510880, 1523802, 1545264, 1553440, 1575632, 1586424, 1631112, 1632645, 1669920, 1699740, 1716960, 1741488, 1747620, 1772586, 1784727, 1835001, 1865880, 1878660, 1931580, 1942560, 1959174, 1969540, 1983030, 1997280, 2010960, 2031736, 2038890, 2039688, 2068017, 2097144, 2115232, 2147040, 2174816, 2176860, 2207520, 2239056, 2266320, 2285703, 2330160, 2363448, 2379636, 2446668, 2487840, 2504880, 2539670, 2549610, 2575440, 2612232, 2621430, 2644040, 2658879, 2718520, 2719584, 2757356, 2796192, 2798820, 2902480, 2913840, 2954310, 2974545, 2995920, 3005856, 3047604, 3058335, 3090528, 3151264, 3172848, 3262224, 3265290, 3399480, 3446695, 3482976, 3495240, 3545172, 3569454, 3670002, 3731760, 3757320, 3809505, 3863160, 3918348, 3939080, 3966060, 4021920, 4063472, 4077780, 4079376, 4136034, 4194288, 4353720, 4431465, 4478112, 4532640, 4571406, 4660320, 4726896, 4759272, 4825373, 4893336, 4897935, 5009760, 5079340, 5099220, 5150880, 5224464, 5242860, 5288080, 5317758, 5437040, 5514712, 5597640, 5804960, 5827680, 5908620, 5949090, 5991840, 6095208, 6116670, 6204051, 6345696, 6524448, 6530580, 6798960, 6857109, 6893390, 6990480, 7090344, 7138908, 7340004, 7463520, 7514640, 7619010, 7726320, 7836696, 7878160, 7932120, 8126944, 8155560, 8158752, 8272068, 8388576, 8707440, 8862930, 8923635, 9142812, 9175005, 9453792, 9518544, 9650746, 9786672, 9795870, 10158680, 10198440, 10340085, 10448928, 10485720, 10576160, 10635516, 10874080, 11029424, 11195280, 11428515, 11817240, 11898180, 12190416, 12233340, 12408102, 13061160, 13294395, 13597920, 13714218, 13786780, 13980960, 14180688, 14277816, 14476119, 14680008, 15029280, 15238020, 15452640, 15673392, 15756320, 15864240, 16311120, 16544136, 17414880, 17725860, 17847270, 18285624, 18350010, 18612153, 19037088, 19301492, 19573344, 19591740, 20317360, 20396880, 20680170, 20971440, 21271032, 22058848, 22390560, 22857030, 23634480, 23796360, 24126865, 24380832, 24466680, 24816204, 26122320, 26588790, 27428436, 27573560, 28361376, 28555632, 28952238, 29360016, 30476040, 31020255, 31346784, 31728480, 32622240, 33088272, 34285545, 35451720, 35694540, 36571248, 36700020, 37224306, 38602984, 39183480, 40634720, 40793760, 41360340, 41942880, 42542064, 43428357, 45714060, 47268960, 47592720, 48253730, 48933360, 49632408, 52244640, 53177580, 54856872, 55147120, 57111264, 57904476, 58720032, 60952080, 62040510, 66176544, 68571090, 70903440, 71389080, 72380595, 73142496, 73400040, 74448612, 77205968, 78366960, 82720680, 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約数ペア:

[(1, 20845611360), (2, 10422805680), (3, 6948537120), (4, 5211402840), (5, 4169122272), (6, 3474268560), (7, 2977944480), (8, 2605701420), (9, 2316179040), (10, 2084561136), (12, 1737134280), (14, 1488972240), (15, 1389707424), (16, 1302850710), (18, 1158089520), (19, 1097137440), (20, 1042280568), (21, 992648160), (24, 868567140), (27, 772059680), (28, 744486120), (30, 694853712), (32, 651425355), (35, 595588896), (36, 579044760), (38, 548568720), (40, 521140284), (42, 496324080), (45, 463235808), (48, 434283570), (49, 425420640), (54, 386029840), (56, 372243060), (57, 365712480), (60, 347426856), (63, 330882720), (70, 297794448), (71, 293600160), (72, 289522380), (73, 285556320), (76, 274284360), (80, 260570142), (84, 248162040), (90, 231617904), (95, 219427488), (96, 217141785), (98, 212710320), (105, 198529632), (108, 193014920), (112, 186121530), (114, 182856240), (120, 173713428), (126, 165441360), (133, 156733920), (135, 154411936), (140, 148897224), (142, 146800080), (144, 144761190), (146, 142778160), (147, 141806880), (152, 137142180), (160, 130285071), (168, 124081020), (171, 121904160), (180, 115808952), (189, 110294240), (190, 109713744), (196, 106355160), (210, 99264816), (213, 97866720), (216, 96507460), (219, 95185440), (224, 93060765), (228, 91428120), (240, 86856714), (245, 85084128), (252, 82720680), (266, 78366960), (270, 77205968), (280, 74448612), (284, 73400040), (285, 73142496), (288, 72380595), (292, 71389080), (294, 70903440), (304, 68571090), (315, 66176544), (336, 62040510), (342, 60952080), (355, 58720032), (360, 57904476), (365, 57111264), (378, 55147120), (380, 54856872), (392, 53177580), (399, 52244640), (420, 49632408), (426, 48933360), (432, 48253730), (438, 47592720), (441, 47268960), (456, 45714060), (480, 43428357), (490, 42542064), (497, 41942880), (504, 41360340), (511, 40793760), (513, 40634720), (532, 39183480), (540, 38602984), (560, 37224306), (568, 36700020), (570, 36571248), (584, 35694540), (588, 35451720), (608, 34285545), (630, 33088272), (639, 32622240), (657, 31728480), (665, 31346784), (672, 31020255), (684, 30476040), (710, 29360016), (720, 28952238), (730, 28555632), (735, 28361376), (756, 27573560), (760, 27428436), (784, 26588790), (798, 26122320), (840, 24816204), (852, 24466680), (855, 24380832), (864, 24126865), (876, 23796360), (882, 23634480), (912, 22857030), (931, 22390560), (945, 22058848), (980, 21271032), (994, 20971440), (1008, 20680170), (1022, 20396880), (1026, 20317360), (1064, 19591740), (1065, 19573344), (1080, 19301492), (1095, 19037088), (1120, 18612153), (1136, 18350010), (1140, 18285624), (1168, 17847270), (1176, 17725860), (1197, 17414880), (1260, 16544136), (1278, 16311120), (1314, 15864240), (1323, 15756320), (1330, 15673392), (1349, 15452640), (1368, 15238020), (1387, 15029280), (1420, 14680008), (1440, 14476119), (1460, 14277816), (1470, 14180688), (1491, 13980960), (1512, 13786780), (1520, 13714218), (1533, 13597920), (1568, 13294395), (1596, 13061160), (1680, 12408102), (1704, 12233340), (1710, 12190416), (1752, 11898180), (1764, 11817240), (1824, 11428515), (1862, 11195280), (1890, 11029424), (1917, 10874080), (1960, 10635516), (1971, 10576160), (1988, 10485720), (1995, 10448928), (2016, 10340085), (2044, 10198440), (2052, 10158680), (2128, 9795870), (2130, 9786672), (2160, 9650746), (2190, 9518544), (2205, 9453792), (2272, 9175005), (2280, 9142812), (2336, 8923635), (2352, 8862930), (2394, 8707440), (2485, 8388576), (2520, 8272068), (2555, 8158752), (2556, 8155560), (2565, 8126944), (2628, 7932120), (2646, 7878160), (2660, 7836696), (2698, 7726320), (2736, 7619010), (2774, 7514640), (2793, 7463520), (2840, 7340004), (2920, 7138908), (2940, 7090344), (2982, 6990480), (3024, 6893390), (3040, 6857109), (3066, 6798960), (3192, 6530580), (3195, 6524448), (3285, 6345696), (3360, 6204051), (3408, 6116670), (3420, 6095208), (3479, 5991840), (3504, 5949090), (3528, 5908620), (3577, 5827680), (3591, 5804960), (3724, 5597640), (3780, 5514712), (3834, 5437040), (3920, 5317758), (3942, 5288080), (3976, 5242860), (3990, 5224464), (4047, 5150880), (4088, 5099220), (4104, 5079340), (4161, 5009760), (4256, 4897935), (4260, 4893336), (4320, 4825373), (4380, 4759272), (4410, 4726896), (4473, 4660320), (4560, 4571406), (4599, 4532640), (4655, 4478112), (4704, 4431465), (4788, 4353720), (4970, 4194288), (5040, 4136034), (5110, 4079376), (5112, 4077780), (5130, 4063472), (5183, 4021920), (5256, 3966060), (5292, 3939080), (5320, 3918348), (5396, 3863160), (5472, 3809505), (5548, 3757320), (5586, 3731760), (5680, 3670002), (5840, 3569454), (5880, 3545172), (5964, 3495240), (5985, 3482976), (6048, 3446695), (6132, 3399480), (6384, 3265290), (6390, 3262224), (6570, 3172848), (6615, 3151264), (6745, 3090528), (6816, 3058335), (6840, 3047604), (6935, 3005856), (6958, 2995920), (7008, 2974545), (7056, 2954310), (7154, 2913840), (7182, 2902480), (7448, 2798820), (7455, 2796192), (7560, 2757356), (7665, 2719584), (7668, 2718520), (7840, 2658879), (7884, 2644040), (7952, 2621430), (7980, 2612232), (8094, 2575440), (8176, 2549610), (8208, 2539670), (8322, 2504880), (8379, 2487840), (8520, 2446668), (8760, 2379636), (8820, 2363448), (8946, 2330160), (9120, 2285703), (9198, 2266320), (9310, 2239056), (9443, 2207520), (9576, 2176860), (9585, 2174816), (9709, 2147040), (9855, 2115232), (9940, 2097144), (10080, 2068017), (10220, 2039688), (10224, 2038890), (10260, 2031736), (10366, 2010960), (10437, 1997280), (10512, 1983030), (10584, 1969540), (10640, 1959174), (10731, 1942560), (10792, 1931580), (11096, 1878660), (11172, 1865880), (11360, 1835001), (11680, 1784727), (11760, 1772586), (11928, 1747620), (11970, 1741488), (12141, 1716960), (12264, 1699740), (12483, 1669920), (12768, 1632645), (12780, 1631112), (13140, 1586424), (13230, 1575632), (13419, 1553440), (13490, 1545264), (13680, 1523802), (13797, 1510880), (13870, 1502928), (13916, 1497960), (13965, 1492704), (14112, 1477155), (14308, 1456920), (14364, 1451240), 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