20428692480

素因数分解:

$2^{10}\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 880

約数和(自身を含む): 86741968896

約数和(自身を除く): 66313276416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 81, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 128, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 192, 210, 216, 217, 224, 227, 240, 248, 252, 256, 270, 279, 280, 288, 310, 315, 320, 324, 336, 360, 372, 378, 384, 405, 420, 432, 434, 448, 454, 465, 480, 496, 504, 512, 540, 558, 560, 567, 576, 620, 630, 640, 648, 651, 672, 681, 720, 744, 756, 768, 810, 837, 840, 864, 868, 896, 908, 930, 945, 960, 992, 1008, 1024, 1080, 1085, 1116, 1120, 1134, 1135, 1152, 1240, 1260, 1280, 1296, 1302, 1344, 1362, 1395, 1440, 1488, 1512, 1536, 1589, 1620, 1674, 1680, 1728, 1736, 1792, 1816, 1860, 1890, 1920, 1953, 1984, 2016, 2043, 2160, 2170, 2232, 2240, 2268, 2270, 2304, 2480, 2511, 2520, 2560, 2592, 2604, 2688, 2724, 2790, 2835, 2880, 2976, 3024, 3072, 3178, 3240, 3255, 3348, 3360, 3405, 3456, 3472, 3584, 3632, 3720, 3780, 3840, 3906, 3968, 4032, 4086, 4185, 4320, 4340, 4464, 4480, 4536, 4540, 4608, 4767, 4960, 5022, 5040, 5120, 5184, 5208, 5376, 5448, 5580, 5670, 5760, 5859, 5952, 6048, 6129, 6356, 6480, 6510, 6696, 6720, 6810, 6912, 6944, 7037, 7168, 7264, 7440, 7560, 7680, 7812, 7936, 7945, 8064, 8172, 8370, 8640, 8680, 8928, 8960, 9072, 9080, 9216, 9534, 9765, 9920, 10044, 10080, 10215, 10368, 10416, 10752, 10896, 11160, 11340, 11520, 11718, 11904, 12096, 12258, 12555, 12712, 12960, 13020, 13392, 13440, 13620, 13824, 13888, 14074, 14301, 14528, 14880, 15120, 15360, 15624, 15872, 15890, 16128, 16344, 16740, 17280, 17360, 17577, 17856, 17920, 18144, 18160, 18387, 19068, 19530, 19840, 20088, 20160, 20430, 20736, 20832, 21111, 21504, 21792, 22320, 22680, 23040, 23436, 23808, 23835, 24192, 24516, 25110, 25424, 25920, 26040, 26784, 26880, 27240, 27648, 27776, 28148, 28602, 29056, 29295, 29760, 30240, 30645, 31248, 31744, 31780, 32256, 32688, 33480, 34560, 34720, 35154, 35185, 35712, 35840, 36288, 36320, 36774, 38136, 39060, 39680, 40176, 40320, 40860, 41472, 41664, 42222, 42903, 43584, 44640, 45360, 46080, 46872, 47616, 47670, 48384, 49032, 49259, 50220, 50848, 51840, 52080, 53568, 53760, 54480, 55552, 56296, 57204, 58112, 58590, 59520, 60480, 61290, 62496, 63333, 63560, 64512, 65376, 66960, 69120, 69440, 70308, 70370, 71424, 71505, 72576, 72640, 73548, 76272, 78120, 79360, 80352, 80640, 81720, 82944, 83328, 84444, 85806, 87168, 87885, 89280, 90720, 91935, 93744, 95232, 95340, 96768, 98064, 98518, 100440, 101696, 103680, 104160, 105555, 107136, 107520, 108960, 111104, 112592, 114408, 116224, 117180, 119040, 120960, 122580, 124992, 126666, 127120, 128709, 130752, 133920, 138240, 138880, 140616, 140740, 142848, 143010, 145152, 145280, 147096, 147777, 152544, 156240, 158720, 160704, 161280, 163440, 166656, 168888, 171612, 174336, 175770, 178560, 181440, 183870, 187488, 189999, 190680, 193536, 196128, 197036, 200880, 203392, 207360, 208320, 211110, 214272, 214515, 217920, 222208, 225184, 228816, 232448, 234360, 238080, 241920, 245160, 246295, 249984, 253332, 254240, 257418, 261504, 267840, 277760, 281232, 281480, 285696, 286020, 290304, 290560, 294192, 295554, 305088, 312480, 316665, 321408, 322560, 326880, 333312, 337776, 343224, 348672, 351540, 357120, 362880, 367740, 374976, 379998, 381360, 392256, 394072, 401760, 406784, 414720, 416640, 422220, 428544, 429030, 435840, 443331, 450368, 457632, 468720, 476160, 483840, 490320, 492590, 499968, 506664, 508480, 514836, 523008, 535680, 555520, 562464, 562960, 569997, 572040, 580608, 581120, 588384, 591108, 610176, 624960, 633330, 642816, 643545, 653760, 666624, 675552, 686448, 697344, 703080, 714240, 725760, 735480, 738885, 749952, 759996, 762720, 784512, 788144, 803520, 813568, 833280, 844440, 857088, 858060, 871680, 886662, 900736, 915264, 937440, 949995, 967680, 980640, 985180, 999936, 1013328, 1016960, 1029672, 1046016, 1071360, 1111040, 1124928, 1125920, 1139994, 1144080, 1162240, 1176768, 1182216, 1220352, 1249920, 1266660, 1285632, 1287090, 1307520, 1329993, 1351104, 1372896, 1406160, 1428480, 1451520, 1470960, 1477770, 1499904, 1519992, 1525440, 1569024, 1576288, 1607040, 1627136, 1666560, 1688880, 1716120, 1743360, 1773324, 1801472, 1830528, 1874880, 1899990, 1961280, 1970360, 1999872, 2026656, 2033920, 2059344, 2092032, 2142720, 2216655, 2249856, 2251840, 2279988, 2288160, 2353536, 2364432, 2440704, 2499840, 2533320, 2571264, 2574180, 2615040, 2659986, 2702208, 2745792, 2812320, 2849985, 2903040, 2941920, 2955540, 2999808, 3039984, 3050880, 3138048, 3152576, 3214080, 3333120, 3377760, 3432240, 3486720, 3546648, 3602944, 3661056, 3749760, 3799980, 3922560, 3940720, 3989979, 4053312, 4067840, 4118688, 4285440, 4433310, 4499712, 4503680, 4559976, 4576320, 4707072, 4728864, 4881408, 4999680, 5066640, 5148360, 5230080, 5319972, 5404416, 5491584, 5624640, 5699970, 5883840, 5911080, 5999616, 6079968, 6101760, 6276096, 6305152, 6428160, 6649965, 6755520, 6864480, 7093296, 7205888, 7322112, 7499520, 7599960, 7845120, 7881440, 7979958, 8106624, 8135680, 8237376, 8866620, 8999424, 9007360, 9119952, 9152640, 9414144, 9457728, 9999360, 10133280, 10296720, 10460160, 10639944, 10808832, 10983168, 11249280, 11399940, 11767680, 11822160, 12159936, 12203520, 12610304, 12856320, 13299930, 13511040, 13728960, 14186592, 14644224, 14999040, 15199920, 15690240, 15762880, 15959916, 16213248, 16474752, 17733240, 17998848, 18014720, 18239904, 18305280, 18828288, 18915456, 19949895, 20266560, 20593440, 21279888, 21617664, 21966336, 22498560, 22799880, 23535360, 23644320, 24319872, 24407040, 25220608, 26599860, 27022080, 27457920, 28373184, 29998080, 30399840, 31380480, 31525760, 31919832, 32426496, 32949504, 35466480, 36029440, 36479808, 36610560, 37830912, 39899790, 40533120, 41186880, 42559776, 43932672, 44997120, 45599760, 47070720, 47288640, 48639744, 50441216, 53199720, 54044160, 54915840, 56746368, 60799680, 63051520, 63839664, 64852992, 65899008, 70932960, 72959616, 73221120, 75661824, 79799580, 81066240, 82373760, 85119552, 89994240, 91199520, 94141440, 94577280, 97279488, 106399440, 108088320, 109831680, 113492736, 121599360, 126103040, 127679328, 131798016, 141865920, 145919232, 151323648, 159599160, 162132480, 164747520, 170239104, 182399040, 189154560, 194558976, 212798880, 219663360, 226985472, 243198720, 252206080, 255358656, 283731840, 291838464, 319198320, 324264960, 329495040, 340478208, 364798080, 378309120, 425597760, 453970944, 486397440, 510717312, 567463680, 583676928, 638396640, 658990080, 680956416, 729596160, 756618240, 851195520, 972794880, 1021434624, 1134927360, 1276793280, 1361912832, 1459192320, 1702391040, 2042869248, 2269854720, 2553586560, 2918384640, 3404782080, 4085738496, 5107173120, 6809564160, 10214346240, 20428692480]

約数ペア:

[(1, 20428692480), (2, 10214346240), (3, 6809564160), (4, 5107173120), (5, 4085738496), (6, 3404782080), (7, 2918384640), (8, 2553586560), (9, 2269854720), (10, 2042869248), (12, 1702391040), (14, 1459192320), (15, 1361912832), (16, 1276793280), (18, 1134927360), (20, 1021434624), (21, 972794880), (24, 851195520), (27, 756618240), (28, 729596160), (30, 680956416), (31, 658990080), (32, 638396640), (35, 583676928), (36, 567463680), (40, 510717312), (42, 486397440), (45, 453970944), (48, 425597760), (54, 378309120), (56, 364798080), (60, 340478208), (62, 329495040), (63, 324264960), (64, 319198320), (70, 291838464), (72, 283731840), (80, 255358656), (81, 252206080), (84, 243198720), (90, 226985472), (93, 219663360), (96, 212798880), (105, 194558976), (108, 189154560), (112, 182399040), (120, 170239104), (124, 164747520), (126, 162132480), (128, 159599160), (135, 151323648), (140, 145919232), (144, 141865920), (155, 131798016), (160, 127679328), (162, 126103040), (168, 121599360), (180, 113492736), (186, 109831680), (189, 108088320), (192, 106399440), (210, 97279488), (216, 94577280), (217, 94141440), (224, 91199520), (227, 89994240), (240, 85119552), (248, 82373760), (252, 81066240), (256, 79799580), (270, 75661824), (279, 73221120), (280, 72959616), (288, 70932960), (310, 65899008), (315, 64852992), (320, 63839664), (324, 63051520), (336, 60799680), (360, 56746368), (372, 54915840), (378, 54044160), (384, 53199720), (405, 50441216), (420, 48639744), (432, 47288640), (434, 47070720), (448, 45599760), (454, 44997120), (465, 43932672), (480, 42559776), (496, 41186880), (504, 40533120), (512, 39899790), (540, 37830912), (558, 36610560), (560, 36479808), (567, 36029440), (576, 35466480), (620, 32949504), (630, 32426496), (640, 31919832), (648, 31525760), (651, 31380480), (672, 30399840), (681, 29998080), (720, 28373184), (744, 27457920), (756, 27022080), (768, 26599860), (810, 25220608), (837, 24407040), (840, 24319872), (864, 23644320), (868, 23535360), (896, 22799880), (908, 22498560), (930, 21966336), (945, 21617664), (960, 21279888), (992, 20593440), (1008, 20266560), (1024, 19949895), (1080, 18915456), (1085, 18828288), (1116, 18305280), (1120, 18239904), (1134, 18014720), (1135, 17998848), (1152, 17733240), (1240, 16474752), (1260, 16213248), (1280, 15959916), (1296, 15762880), (1302, 15690240), (1344, 15199920), (1362, 14999040), (1395, 14644224), (1440, 14186592), (1488, 13728960), (1512, 13511040), (1536, 13299930), (1589, 12856320), (1620, 12610304), (1674, 12203520), (1680, 12159936), (1728, 11822160), (1736, 11767680), (1792, 11399940), (1816, 11249280), (1860, 10983168), (1890, 10808832), (1920, 10639944), (1953, 10460160), (1984, 10296720), (2016, 10133280), (2043, 9999360), (2160, 9457728), (2170, 9414144), (2232, 9152640), (2240, 9119952), (2268, 9007360), (2270, 8999424), (2304, 8866620), (2480, 8237376), (2511, 8135680), (2520, 8106624), (2560, 7979958), (2592, 7881440), (2604, 7845120), (2688, 7599960), (2724, 7499520), (2790, 7322112), (2835, 7205888), (2880, 7093296), (2976, 6864480), (3024, 6755520), (3072, 6649965), (3178, 6428160), (3240, 6305152), (3255, 6276096), (3348, 6101760), (3360, 6079968), (3405, 5999616), (3456, 5911080), (3472, 5883840), (3584, 5699970), (3632, 5624640), (3720, 5491584), (3780, 5404416), (3840, 5319972), (3906, 5230080), (3968, 5148360), (4032, 5066640), (4086, 4999680), (4185, 4881408), (4320, 4728864), (4340, 4707072), (4464, 4576320), (4480, 4559976), (4536, 4503680), (4540, 4499712), (4608, 4433310), (4767, 4285440), (4960, 4118688), (5022, 4067840), (5040, 4053312), (5120, 3989979), (5184, 3940720), (5208, 3922560), (5376, 3799980), (5448, 3749760), (5580, 3661056), (5670, 3602944), (5760, 3546648), (5859, 3486720), (5952, 3432240), (6048, 3377760), (6129, 3333120), (6356, 3214080), (6480, 3152576), (6510, 3138048), (6696, 3050880), (6720, 3039984), (6810, 2999808), (6912, 2955540), (6944, 2941920), (7037, 2903040), (7168, 2849985), (7264, 2812320), (7440, 2745792), (7560, 2702208), (7680, 2659986), (7812, 2615040), (7936, 2574180), (7945, 2571264), (8064, 2533320), (8172, 2499840), (8370, 2440704), (8640, 2364432), (8680, 2353536), (8928, 2288160), (8960, 2279988), (9072, 2251840), (9080, 2249856), (9216, 2216655), (9534, 2142720), (9765, 2092032), (9920, 2059344), (10044, 2033920), (10080, 2026656), (10215, 1999872), (10368, 1970360), (10416, 1961280), (10752, 1899990), (10896, 1874880), (11160, 1830528), (11340, 1801472), (11520, 1773324), (11718, 1743360), (11904, 1716120), (12096, 1688880), (12258, 1666560), (12555, 1627136), (12712, 1607040), (12960, 1576288), (13020, 1569024), (13392, 1525440), (13440, 1519992), (13620, 1499904), (13824, 1477770), (13888, 1470960), (14074, 1451520), (14301, 1428480), (14528, 1406160), (14880, 1372896), (15120, 1351104), (15360, 1329993), (15624, 1307520), (15872, 1287090), (15890, 1285632), (16128, 1266660), (16344, 1249920), (16740, 1220352), (17280, 1182216), (17360, 1176768), (17577, 1162240), (17856, 1144080), (17920, 1139994), (18144, 1125920), (18160, 1124928), (18387, 1111040), (19068, 1071360), (19530, 1046016), (19840, 1029672), (20088, 1016960), (20160, 1013328), (20430, 999936), (20736, 985180), (20832, 980640), (21111, 967680), (21504, 949995), (21792, 937440), (22320, 915264), (22680, 900736), (23040, 886662), (23436, 871680), (23808, 858060), (23835, 857088), (24192, 844440), (24516, 833280), (25110, 813568), (25424, 803520), (25920, 788144), (26040, 784512), (26784, 762720), (26880, 759996), (27240, 749952), (27648, 738885), (27776, 735480), (28148, 725760), (28602, 714240), (29056, 703080), (29295, 697344), (29760, 686448), (30240, 675552), (30645, 666624), (31248, 653760), (31744, 643545), (31780, 642816), (32256, 633330), (32688, 624960), (33480, 610176), (34560, 591108), (34720, 588384), (35154, 581120), (35185, 580608), (35712, 572040), (35840, 569997), (36288, 562960), (36320, 562464), (36774, 555520), (38136, 535680), (39060, 523008), (39680, 514836), (40176, 508480), (40320, 506664), (40860, 499968), (41472, 492590), (41664, 490320), (42222, 483840), (42903, 476160), (43584, 468720), (44640, 457632), (45360, 450368), (46080, 443331), (46872, 435840), (47616, 429030), (47670, 428544), (48384, 422220), (49032, 416640), (49259, 414720), (50220, 406784), (50848, 401760), (51840, 394072), (52080, 392256), (53568, 381360), (53760, 379998), (54480, 374976), (55552, 367740), (56296, 362880), (57204, 357120), (58112, 351540), (58590, 348672), (59520, 343224), (60480, 337776), (61290, 333312), (62496, 326880), (63333, 322560), (63560, 321408), (64512, 316665), (65376, 312480), (66960, 305088), (69120, 295554), (69440, 294192), (70308, 290560), (70370, 290304), (71424, 286020), (71505, 285696), (72576, 281480), (72640, 281232), (73548, 277760), (76272, 267840), (78120, 261504), (79360, 257418), (80352, 254240), (80640, 253332), (81720, 249984), (82944, 246295), (83328, 245160), (84444, 241920), (85806, 238080), (87168, 234360), (87885, 232448), (89280, 228816), (90720, 225184), (91935, 222208), (93744, 217920), (95232, 214515), (95340, 214272), (96768, 211110), (98064, 208320), (98518, 207360), (100440, 203392), (101696, 200880), (103680, 197036), (104160, 196128), (105555, 193536), (107136, 190680), (107520, 189999), (108960, 187488), (111104, 183870), (112592, 181440), (114408, 178560), (116224, 175770), (117180, 174336), (119040, 171612), (120960, 168888), (122580, 166656), (124992, 163440), (126666, 161280), (127120, 160704), (128709, 158720), (130752, 156240), (133920, 152544), (138240, 147777), (138880, 147096), (140616, 145280), (140740, 145152), (142848, 143010)]