20426505120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 576

約数和(自身を含む): 83026944000

約数和(自身を除く): 62600438880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 131, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 262, 279, 280, 288, 310, 315, 336, 360, 372, 393, 420, 434, 465, 480, 496, 499, 504, 524, 558, 560, 620, 630, 651, 655, 672, 720, 744, 786, 840, 868, 917, 930, 992, 998, 1008, 1048, 1085, 1116, 1120, 1179, 1240, 1260, 1302, 1310, 1395, 1440, 1488, 1497, 1572, 1680, 1736, 1834, 1860, 1953, 1965, 1996, 2016, 2096, 2170, 2232, 2358, 2480, 2495, 2520, 2604, 2620, 2751, 2790, 2976, 2994, 3144, 3255, 3360, 3472, 3493, 3668, 3720, 3906, 3930, 3992, 4061, 4192, 4340, 4464, 4491, 4585, 4716, 4960, 4990, 5040, 5208, 5240, 5502, 5580, 5895, 5988, 6288, 6510, 6944, 6986, 7336, 7440, 7485, 7812, 7860, 7984, 8122, 8253, 8680, 8928, 8982, 9170, 9432, 9765, 9980, 10080, 10416, 10479, 10480, 11004, 11160, 11790, 11976, 12183, 12576, 13020, 13755, 13972, 14672, 14880, 14970, 15469, 15624, 15720, 15968, 16244, 16506, 17360, 17465, 17964, 18340, 18864, 19530, 19960, 20305, 20832, 20958, 20960, 22008, 22320, 22455, 23580, 23952, 24366, 26040, 27510, 27944, 28427, 29344, 29940, 30938, 31248, 31437, 31440, 32488, 33012, 34720, 34930, 35928, 36549, 36680, 37728, 39060, 39920, 40610, 41265, 41916, 44016, 44640, 44910, 46407, 47160, 47904, 48732, 52080, 52395, 55020, 55888, 56854, 59880, 60915, 61876, 62496, 62874, 62880, 64976, 65369, 66024, 69860, 71856, 73098, 73360, 77345, 78120, 79840, 81220, 82530, 83832, 85281, 88032, 89820, 92814, 94320, 97464, 104160, 104790, 108283, 110040, 111776, 113708, 119760, 121830, 123752, 125748, 129952, 130738, 132048, 139221, 139720, 142135, 143712, 146196, 146720, 154690, 156240, 157185, 162440, 165060, 167664, 170562, 179640, 182745, 185628, 188640, 194928, 196107, 209580, 216566, 220080, 227416, 232035, 239520, 243660, 247504, 251496, 255843, 261476, 264096, 278442, 279440, 284270, 292392, 309380, 312480, 314370, 324849, 324880, 326845, 330120, 335328, 341124, 359280, 365490, 371256, 389856, 392214, 419160, 426405, 433132, 440160, 454832, 457583, 464070, 487320, 495008, 502992, 511686, 522952, 541415, 556884, 558880, 568540, 584784, 588321, 618760, 628740, 649698, 649760, 653690, 660240, 682248, 696105, 718560, 730980, 742512, 784428, 838320, 852810, 866264, 909664, 915166, 928140, 974547, 974640, 980535, 1005984, 1023372, 1045904, 1082830, 1113768, 1137080, 1169568, 1176642, 1237520, 1257480, 1279215, 1299396, 1307380, 1320480, 1364496, 1372749, 1392210, 1461960, 1485024, 1568856, 1624245, 1676640, 1705620, 1732528, 1830332, 1856280, 1949094, 1949280, 1961070, 2026439, 2046744, 2091808, 2165660, 2227536, 2274160, 2287915, 2353284, 2475040, 2514960, 2558430, 2598792, 2614760, 2728992, 2745498, 2784420, 2923920, 2941605, 3137712, 3248490, 3411240, 3465056, 3660664, 3712560, 3898188, 3922140, 4052878, 4093488, 4118247, 4331320, 4455072, 4548320, 4575830, 4706568, 4872735, 5029920, 5116860, 5197584, 5229520, 5490996, 5568840, 5847840, 5883210, 6079317, 6275424, 6496980, 6822480, 6863745, 7321328, 7425120, 7796376, 7844280, 8105756, 8186976, 8236494, 8662640, 9151660, 9413136, 9745470, 10132195, 10233720, 10395168, 10459040, 10981992, 11137680, 11766420, 12158634, 12993960, 13644960, 13727490, 14185073, 14642656, 15592752, 15688560, 16211512, 16472988, 17325280, 18237951, 18303320, 18826272, 19490940, 20264390, 20467440, 20591235, 21963984, 22275360, 23532840, 24317268, 25987920, 27454980, 28370146, 30396585, 31185504, 31377120, 32423024, 32945976, 36475902, 36606640, 38981880, 40528780, 40934880, 41182470, 42555219, 43927968, 47065680, 48634536, 51975840, 54909960, 56740292, 60793170, 64846048, 65891952, 70925365, 72951804, 73213280, 77963760, 81057560, 82364940, 85110438, 91189755, 94131360, 97269072, 109819920, 113480584, 121586340, 127665657, 131783904, 141850730, 145903608, 155927520, 162115120, 164729880, 170220876, 182379510, 194538144, 212776095, 219639840, 226961168, 243172680, 255331314, 283701460, 291807216, 324230240, 329459760, 340441752, 364759020, 425552190, 453922336, 486345360, 510662628, 567402920, 583614432, 638328285, 658919520, 680883504, 729518040, 851104380, 972690720, 1021325256, 1134805840, 1276656570, 1361767008, 1459036080, 1702208760, 2042650512, 2269611680, 2553313140, 2918072160, 3404417520, 4085301024, 5106626280, 6808835040, 10213252560, 20426505120]

約数ペア:

[(1, 20426505120), (2, 10213252560), (3, 6808835040), (4, 5106626280), (5, 4085301024), (6, 3404417520), (7, 2918072160), (8, 2553313140), (9, 2269611680), (10, 2042650512), (12, 1702208760), (14, 1459036080), (15, 1361767008), (16, 1276656570), (18, 1134805840), (20, 1021325256), (21, 972690720), (24, 851104380), (28, 729518040), (30, 680883504), (31, 658919520), (32, 638328285), (35, 583614432), (36, 567402920), (40, 510662628), (42, 486345360), (45, 453922336), (48, 425552190), (56, 364759020), (60, 340441752), (62, 329459760), (63, 324230240), (70, 291807216), (72, 283701460), (80, 255331314), (84, 243172680), (90, 226961168), (93, 219639840), (96, 212776095), (105, 194538144), (112, 182379510), (120, 170220876), (124, 164729880), (126, 162115120), (131, 155927520), (140, 145903608), (144, 141850730), (155, 131783904), (160, 127665657), (168, 121586340), (180, 113480584), (186, 109819920), (210, 97269072), (217, 94131360), (224, 91189755), (240, 85110438), (248, 82364940), (252, 81057560), (262, 77963760), (279, 73213280), (280, 72951804), (288, 70925365), (310, 65891952), (315, 64846048), (336, 60793170), (360, 56740292), (372, 54909960), (393, 51975840), (420, 48634536), (434, 47065680), (465, 43927968), (480, 42555219), (496, 41182470), (499, 40934880), (504, 40528780), (524, 38981880), (558, 36606640), (560, 36475902), (620, 32945976), (630, 32423024), (651, 31377120), (655, 31185504), (672, 30396585), (720, 28370146), (744, 27454980), (786, 25987920), (840, 24317268), (868, 23532840), (917, 22275360), (930, 21963984), (992, 20591235), (998, 20467440), (1008, 20264390), (1048, 19490940), (1085, 18826272), (1116, 18303320), (1120, 18237951), (1179, 17325280), (1240, 16472988), (1260, 16211512), (1302, 15688560), (1310, 15592752), (1395, 14642656), (1440, 14185073), (1488, 13727490), (1497, 13644960), (1572, 12993960), (1680, 12158634), (1736, 11766420), (1834, 11137680), (1860, 10981992), (1953, 10459040), (1965, 10395168), (1996, 10233720), (2016, 10132195), (2096, 9745470), (2170, 9413136), (2232, 9151660), (2358, 8662640), (2480, 8236494), (2495, 8186976), (2520, 8105756), (2604, 7844280), (2620, 7796376), (2751, 7425120), (2790, 7321328), (2976, 6863745), (2994, 6822480), (3144, 6496980), (3255, 6275424), (3360, 6079317), (3472, 5883210), (3493, 5847840), (3668, 5568840), (3720, 5490996), (3906, 5229520), (3930, 5197584), (3992, 5116860), (4061, 5029920), (4192, 4872735), (4340, 4706568), (4464, 4575830), (4491, 4548320), (4585, 4455072), (4716, 4331320), (4960, 4118247), (4990, 4093488), (5040, 4052878), (5208, 3922140), (5240, 3898188), (5502, 3712560), (5580, 3660664), (5895, 3465056), (5988, 3411240), (6288, 3248490), (6510, 3137712), (6944, 2941605), (6986, 2923920), (7336, 2784420), (7440, 2745498), (7485, 2728992), (7812, 2614760), (7860, 2598792), (7984, 2558430), (8122, 2514960), (8253, 2475040), (8680, 2353284), (8928, 2287915), (8982, 2274160), (9170, 2227536), (9432, 2165660), (9765, 2091808), (9980, 2046744), (10080, 2026439), (10416, 1961070), (10479, 1949280), (10480, 1949094), (11004, 1856280), (11160, 1830332), (11790, 1732528), (11976, 1705620), (12183, 1676640), (12576, 1624245), (13020, 1568856), (13755, 1485024), (13972, 1461960), (14672, 1392210), (14880, 1372749), (14970, 1364496), (15469, 1320480), (15624, 1307380), (15720, 1299396), (15968, 1279215), (16244, 1257480), (16506, 1237520), (17360, 1176642), (17465, 1169568), (17964, 1137080), (18340, 1113768), (18864, 1082830), (19530, 1045904), (19960, 1023372), (20305, 1005984), (20832, 980535), (20958, 974640), (20960, 974547), (22008, 928140), (22320, 915166), (22455, 909664), (23580, 866264), (23952, 852810), (24366, 838320), (26040, 784428), (27510, 742512), (27944, 730980), (28427, 718560), (29344, 696105), (29940, 682248), (30938, 660240), (31248, 653690), (31437, 649760), (31440, 649698), (32488, 628740), (33012, 618760), (34720, 588321), (34930, 584784), (35928, 568540), (36549, 558880), (36680, 556884), (37728, 541415), (39060, 522952), (39920, 511686), (40610, 502992), (41265, 495008), (41916, 487320), (44016, 464070), (44640, 457583), (44910, 454832), (46407, 440160), (47160, 433132), (47904, 426405), (48732, 419160), (52080, 392214), (52395, 389856), (55020, 371256), (55888, 365490), (56854, 359280), (59880, 341124), (60915, 335328), (61876, 330120), (62496, 326845), (62874, 324880), (62880, 324849), (64976, 314370), (65369, 312480), (66024, 309380), (69860, 292392), (71856, 284270), (73098, 279440), (73360, 278442), (77345, 264096), (78120, 261476), (79840, 255843), (81220, 251496), (82530, 247504), (83832, 243660), (85281, 239520), (88032, 232035), (89820, 227416), (92814, 220080), (94320, 216566), (97464, 209580), (104160, 196107), (104790, 194928), (108283, 188640), (110040, 185628), (111776, 182745), (113708, 179640), (119760, 170562), (121830, 167664), (123752, 165060), (125748, 162440), (129952, 157185), (130738, 156240), (132048, 154690), (139221, 146720), (139720, 146196), (142135, 143712)]