20187145440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:916

約数の個数: 864

約数和(自身を含む): 90348410880

約数和(自身を除く): 70161265440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 55, 56, 60, 62, 63, 66, 70, 72, 77, 80, 84, 88, 90, 93, 96, 98, 99, 105, 110, 112, 120, 124, 126, 132, 140, 144, 147, 154, 155, 160, 165, 168, 176, 180, 186, 196, 198, 210, 217, 220, 224, 231, 240, 245, 248, 252, 264, 279, 280, 288, 294, 308, 310, 315, 330, 336, 341, 352, 360, 372, 385, 392, 396, 420, 434, 440, 441, 462, 465, 480, 490, 495, 496, 504, 528, 539, 558, 560, 588, 616, 620, 630, 651, 660, 672, 682, 693, 720, 735, 744, 770, 784, 792, 839, 840, 868, 880, 882, 924, 930, 980, 990, 992, 1008, 1023, 1056, 1078, 1085, 1116, 1120, 1155, 1176, 1232, 1240, 1260, 1302, 1320, 1364, 1386, 1395, 1440, 1470, 1488, 1519, 1540, 1568, 1584, 1617, 1678, 1680, 1705, 1736, 1760, 1764, 1848, 1860, 1953, 1960, 1980, 2016, 2046, 2156, 2170, 2205, 2232, 2310, 2352, 2387, 2464, 2480, 2517, 2520, 2604, 2640, 2695, 2728, 2772, 2790, 2940, 2976, 3038, 3069, 3080, 3168, 3234, 3255, 3356, 3360, 3410, 3465, 3472, 3528, 3696, 3720, 3906, 3920, 3960, 4092, 4195, 4312, 4340, 4410, 4464, 4557, 4620, 4704, 4774, 4851, 4960, 5034, 5040, 5115, 5208, 5280, 5390, 5456, 5544, 5580, 5873, 5880, 6076, 6138, 6160, 6468, 6510, 6712, 6820, 6930, 6944, 7056, 7161, 7392, 7440, 7551, 7595, 7812, 7840, 7920, 8085, 8184, 8390, 8624, 8680, 8820, 8928, 9114, 9229, 9240, 9548, 9702, 9765, 10068, 10080, 10230, 10416, 10780, 10912, 11088, 11160, 11746, 11760, 11935, 12152, 12276, 12320, 12585, 12936, 13020, 13424, 13640, 13671, 13860, 14112, 14322, 14880, 15102, 15190, 15345, 15624, 15840, 16170, 16368, 16709, 16780, 17248, 17360, 17619, 17640, 18228, 18458, 18480, 19096, 19404, 19530, 20136, 20460, 20832, 21483, 21560, 22176, 22320, 22785, 23492, 23520, 23870, 24255, 24304, 24552, 25170, 25872, 26009, 26040, 26848, 27280, 27342, 27687, 27720, 28644, 29365, 30204, 30380, 30690, 31248, 32340, 32736, 33418, 33560, 34720, 35238, 35280, 35805, 36456, 36916, 36960, 37755, 38192, 38808, 39060, 40272, 40920, 41111, 42966, 43120, 44640, 45570, 46145, 46984, 47740, 48510, 48608, 49104, 50127, 50340, 51744, 52018, 52080, 52857, 54560, 54684, 55374, 55440, 57288, 58730, 60408, 60760, 61380, 62496, 64603, 64680, 66836, 67120, 68355, 70476, 70560, 71610, 72912, 73832, 75510, 76384, 77616, 78027, 78120, 80544, 81840, 82222, 83061, 83545, 85932, 86240, 88095, 91140, 92290, 93968, 95480, 97020, 98208, 100254, 100680, 104036, 104160, 105714, 107415, 109368, 110748, 110880, 114576, 117460, 120816, 121520, 122760, 123333, 129206, 129360, 130045, 133672, 134240, 136710, 138435, 140952, 143220, 145824, 147664, 150381, 151020, 155232, 156054, 156240, 163680, 164444, 166122, 167090, 171864, 176190, 182063, 182280, 184580, 187936, 190960, 193809, 194040, 200508, 201360, 205555, 208072, 211428, 214830, 218736, 221496, 229152, 234081, 234920, 241632, 243040, 245520, 246666, 250635, 258412, 258720, 260090, 264285, 267344, 273420, 276870, 281904, 286099, 286440, 295328, 300762, 302040, 312108, 312480, 323015, 328888, 332244, 334180, 343728, 352380, 364126, 364560, 369160, 369999, 381920, 387618, 388080, 390135, 401016, 402720, 411110, 415305, 416144, 422856, 429660, 437472, 442992, 452221, 468162, 469840, 491040, 493332, 501270, 516824, 520180, 528570, 534688, 546189, 546840, 553740, 563808, 572198, 572880, 581427, 601524, 604080, 616665, 624216, 646030, 657776, 664488, 668360, 687456, 704760, 728252, 729120, 738320, 739998, 751905, 775236, 776160, 780270, 802032, 822220, 830610, 832288, 845712, 858297, 859320, 885984, 904442, 910315, 936324, 939680, 969045, 986664, 1002540, 1033648, 1040360, 1057140, 1092378, 1093680, 1107480, 1144396, 1145760, 1162854, 1170405, 1203048, 1208160, 1233330, 1248432, 1274441, 1292060, 1315552, 1328976, 1336720, 1356663, 1409520, 1430495, 1456504, 1476640, 1479996, 1503810, 1550472, 1560540, 1604064, 1638567, 1644440, 1661220, 1691424, 1716594, 1718640, 1808884, 1820630, 1849995, 1872648, 1938090, 1973328, 2002693, 2005080, 2067296, 2080720, 2114280, 2184756, 2187360, 2214960, 2261105, 2288792, 2325708, 2340810, 2406096, 2466660, 2496864, 2548882, 2574891, 2584120, 2657952, 2673440, 2713326, 2730945, 2819040, 2860990, 2907135, 2913008, 2959992, 3007620, 3100944, 3121080, 3277134, 3288880, 3322440, 3433188, 3437280, 3617768, 3641260, 3699990, 3745296, 3823323, 3876180, 3946656, 4005386, 4010160, 4069989, 4161440, 4228560, 4291485, 4369512, 4429920, 4522210, 4577584, 4651416, 4681620, 4812192, 4933320, 5097764, 5149782, 5168240, 5426652, 5461890, 5721980, 5814270, 5826016, 5919984, 6008079, 6015240, 6201888, 6242160, 6372205, 6554268, 6577760, 6644880, 6783315, 6866376, 7235536, 7282520, 7399980, 7490592, 7646646, 7752360, 8010772, 8020320, 8139978, 8192835, 8457120, 8582970, 8739024, 9044420, 9155168, 9302832, 9363240, 9866640, 10013465, 10195528, 10299564, 10336480, 10853304, 10923780, 11443960, 11469969, 11628540, 11839968, 12016158, 12030480, 12484320, 12744410, 12874455, 13108536, 13289760, 13566630, 13732752, 14018851, 14471072, 14565040, 14799960, 15293292, 15504720, 16021544, 16279956, 16385670, 17165940, 17478048, 18024237, 18088840, 18605664, 18726480, 19116615, 19733280, 20026930, 20349945, 20391056, 20599128, 21706608, 21847560, 22887920, 22939938, 23257080, 24032316, 24060960, 25488820, 25748910, 26217072, 27133260, 27465504, 28037702, 29130080, 29599920, 30040395, 30586584, 31009440, 32043088, 32559912, 32771340, 34331880, 36048474, 36177680, 37452960, 38233230, 40053860, 40699890, 40782112, 41198256, 42056553, 43413216, 43695120, 45775840, 45879876, 46514160, 48064632, 50977640, 51497820, 52434144, 54266520, 56075404, 57349845, 59199840, 60080790, 61173168, 64086176, 65119824, 65542680, 68663760, 70094255, 72096948, 72355360, 76466460, 80107720, 81399780, 82396512, 84113106, 87390240, 90121185, 91759752, 93028320, 96129264, 101955280, 102995640, 108533040, 112150808, 114699690, 120161580, 122346336, 126169659, 130239648, 131085360, 137327520, 140188510, 144193896, 152932920, 160215440, 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約数ペア:

[(1, 20187145440), (2, 10093572720), (3, 6729048480), (4, 5046786360), (5, 4037429088), (6, 3364524240), (7, 2883877920), (8, 2523393180), (9, 2243016160), (10, 2018714544), (11, 1835195040), (12, 1682262120), (14, 1441938960), (15, 1345809696), (16, 1261696590), (18, 1121508080), (20, 1009357272), (21, 961292640), (22, 917597520), (24, 841131060), (28, 720969480), (30, 672904848), (31, 651198240), (32, 630848295), (33, 611731680), (35, 576775584), (36, 560754040), (40, 504678636), (42, 480646320), (44, 458798760), (45, 448603232), (48, 420565530), (49, 411982560), (55, 367039008), (56, 360484740), (60, 336452424), (62, 325599120), (63, 320430880), (66, 305865840), (70, 288387792), (72, 280377020), (77, 262170720), (80, 252339318), (84, 240323160), (88, 229399380), (90, 224301616), (93, 217066080), (96, 210282765), (98, 205991280), (99, 203910560), (105, 192258528), (110, 183519504), (112, 180242370), (120, 168226212), (124, 162799560), (126, 160215440), (132, 152932920), (140, 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(2016, 10013465), (2046, 9866640), (2156, 9363240), (2170, 9302832), (2205, 9155168), (2232, 9044420), (2310, 8739024), (2352, 8582970), (2387, 8457120), (2464, 8192835), (2480, 8139978), (2517, 8020320), (2520, 8010772), (2604, 7752360), (2640, 7646646), (2695, 7490592), (2728, 7399980), (2772, 7282520), (2790, 7235536), (2940, 6866376), (2976, 6783315), (3038, 6644880), (3069, 6577760), (3080, 6554268), (3168, 6372205), (3234, 6242160), (3255, 6201888), (3356, 6015240), (3360, 6008079), (3410, 5919984), (3465, 5826016), (3472, 5814270), (3528, 5721980), (3696, 5461890), (3720, 5426652), (3906, 5168240), (3920, 5149782), (3960, 5097764), (4092, 4933320), (4195, 4812192), (4312, 4681620), (4340, 4651416), (4410, 4577584), (4464, 4522210), (4557, 4429920), (4620, 4369512), (4704, 4291485), (4774, 4228560), (4851, 4161440), (4960, 4069989), (5034, 4010160), (5040, 4005386), (5115, 3946656), (5208, 3876180), (5280, 3823323), (5390, 3745296), (5456, 3699990), (5544, 3641260), (5580, 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(36916, 546840), (36960, 546189), (37755, 534688), (38192, 528570), (38808, 520180), (39060, 516824), (40272, 501270), (40920, 493332), (41111, 491040), (42966, 469840), (43120, 468162), (44640, 452221), (45570, 442992), (46145, 437472), (46984, 429660), (47740, 422856), (48510, 416144), (48608, 415305), (49104, 411110), (50127, 402720), (50340, 401016), (51744, 390135), (52018, 388080), (52080, 387618), (52857, 381920), (54560, 369999), (54684, 369160), (55374, 364560), (55440, 364126), (57288, 352380), (58730, 343728), (60408, 334180), (60760, 332244), (61380, 328888), (62496, 323015), (64603, 312480), (64680, 312108), (66836, 302040), (67120, 300762), (68355, 295328), (70476, 286440), (70560, 286099), (71610, 281904), (72912, 276870), (73832, 273420), (75510, 267344), (76384, 264285), (77616, 260090), (78027, 258720), (78120, 258412), (80544, 250635), (81840, 246666), (82222, 245520), (83061, 243040), (83545, 241632), (85932, 234920), (86240, 234081), (88095, 229152), (91140, 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