20421434880

素因数分解:

$2^9\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1332

約数の個数: 800

約数和(自身を含む): 91262730240

約数和(自身を除く): 70841295360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 81, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 126, 128, 132, 135, 140, 144, 154, 160, 162, 165, 168, 176, 180, 189, 192, 198, 210, 216, 220, 224, 231, 240, 252, 256, 264, 270, 280, 288, 297, 308, 315, 320, 324, 330, 336, 352, 360, 378, 384, 385, 396, 405, 420, 432, 440, 448, 462, 480, 495, 504, 512, 528, 540, 560, 567, 576, 594, 616, 630, 640, 648, 660, 672, 693, 704, 720, 756, 768, 770, 792, 810, 840, 864, 880, 891, 896, 924, 945, 960, 990, 1008, 1056, 1080, 1120, 1134, 1152, 1155, 1188, 1232, 1260, 1279, 1280, 1296, 1320, 1344, 1386, 1408, 1440, 1485, 1512, 1536, 1540, 1584, 1620, 1680, 1728, 1760, 1782, 1792, 1848, 1890, 1920, 1980, 2016, 2079, 2112, 2160, 2240, 2268, 2304, 2310, 2376, 2464, 2520, 2558, 2560, 2592, 2640, 2688, 2772, 2816, 2835, 2880, 2970, 3024, 3080, 3168, 3240, 3360, 3456, 3465, 3520, 3564, 3584, 3696, 3780, 3837, 3840, 3960, 4032, 4158, 4224, 4320, 4455, 4480, 4536, 4608, 4620, 4752, 4928, 5040, 5116, 5184, 5280, 5376, 5544, 5632, 5670, 5760, 5940, 6048, 6160, 6237, 6336, 6395, 6480, 6720, 6912, 6930, 7040, 7128, 7392, 7560, 7674, 7680, 7920, 8064, 8316, 8448, 8640, 8910, 8953, 8960, 9072, 9240, 9504, 9856, 10080, 10232, 10368, 10395, 10560, 10752, 11088, 11340, 11511, 11520, 11880, 12096, 12320, 12474, 12672, 12790, 12960, 13440, 13824, 13860, 14069, 14080, 14256, 14784, 15120, 15348, 15840, 16128, 16632, 16896, 17280, 17820, 17906, 17920, 18144, 18480, 19008, 19185, 19712, 20160, 20464, 20736, 20790, 21120, 22176, 22680, 23022, 23040, 23760, 24192, 24640, 24948, 25344, 25580, 25920, 26859, 26880, 27720, 28138, 28160, 28512, 29568, 30240, 30696, 31185, 31680, 32256, 33264, 34533, 34560, 35640, 35812, 36288, 36960, 38016, 38370, 39424, 40320, 40928, 41472, 41580, 42207, 42240, 44352, 44765, 45360, 46044, 47520, 48384, 49280, 49896, 50688, 51160, 51840, 53718, 53760, 55440, 56276, 57024, 57555, 59136, 60480, 61392, 62370, 63360, 66528, 69066, 69120, 70345, 71280, 71624, 72576, 73920, 76032, 76740, 80577, 80640, 81856, 83160, 84414, 84480, 88704, 89530, 90720, 92088, 95040, 96768, 98483, 98560, 99792, 102320, 103599, 103680, 107436, 110880, 112552, 114048, 115110, 118272, 120960, 122784, 124740, 126621, 126720, 133056, 134295, 138132, 140690, 142560, 143248, 145152, 147840, 152064, 153480, 161154, 161280, 163712, 166320, 168828, 172665, 177408, 179060, 181440, 184176, 190080, 196966, 197120, 199584, 204640, 207198, 207360, 211035, 214872, 221760, 225104, 228096, 230220, 241731, 241920, 245568, 249480, 253242, 253440, 266112, 268590, 276264, 281380, 285120, 286496, 290304, 295449, 295680, 306960, 322308, 327424, 332640, 337656, 345330, 354816, 358120, 362880, 368352, 379863, 380160, 393932, 399168, 402885, 409280, 414396, 422070, 429744, 443520, 450208, 456192, 460440, 483462, 483840, 491136, 492415, 498960, 506484, 517995, 532224, 537180, 552528, 562760, 570240, 572992, 590898, 591360, 613920, 633105, 644616, 654848, 665280, 675312, 690660, 716240, 725193, 725760, 736704, 759726, 760320, 787864, 798336, 805770, 818560, 828792, 844140, 859488, 886347, 887040, 900416, 920880, 966924, 982272, 984830, 997920, 1012968, 1035990, 1064448, 1074360, 1105056, 1125520, 1139589, 1140480, 1145984, 1181796, 1208655, 1227840, 1266210, 1289232, 1330560, 1350624, 1381320, 1432480, 1450386, 1451520, 1473408, 1477245, 1519452, 1575728, 1596672, 1611540, 1637120, 1657584, 1688280, 1718976, 1772694, 1774080, 1800832, 1841760, 1899315, 1933848, 1964544, 1969660, 1995840, 2025936, 2071980, 2148720, 2210112, 2251040, 2279178, 2280960, 2291968, 2363592, 2417310, 2455680, 2532420, 2578464, 2659041, 2661120, 2701248, 2762640, 2864960, 2900772, 2946816, 2954490, 3038904, 3151456, 3193344, 3223080, 3274240, 3315168, 3376560, 3437952, 3545388, 3601664, 3625965, 3683520, 3798630, 3867696, 3939320, 3991680, 4051872, 4143960, 4297440, 4420224, 4431735, 4502080, 4558356, 4583936, 4727184, 4834620, 4911360, 5064840, 5156928, 5318082, 5322240, 5402496, 5525280, 5697945, 5729920, 5801544, 5893632, 5908980, 6077808, 6302912, 6446160, 6630336, 6753120, 6875904, 7090776, 7203328, 7251930, 7367040, 7597260, 7735392, 7878640, 7977123, 7983360, 8103744, 8287920, 8594880, 8840448, 8863470, 9004160, 9116712, 9454368, 9669240, 9822720, 10129680, 10313856, 10636164, 10804992, 11050560, 11395890, 11459840, 11603088, 11817960, 12155616, 12605824, 12892320, 13260672, 13295205, 13506240, 13751808, 14181552, 14503860, 14734080, 15194520, 15470784, 15757280, 15954246, 15966720, 16207488, 16575840, 17189760, 17680896, 17726940, 18008320, 18233424, 18908736, 19338480, 20259360, 20627712, 21272328, 21609984, 22101120, 22791780, 22919680, 23206176, 23635920, 24311232, 25211648, 25784640, 26521344, 26590410, 27012480, 28363104, 29007720, 29468160, 30389040, 30941568, 31514560, 31908492, 32414976, 33151680, 34379520, 35453880, 36016640, 36466848, 37817472, 38676960, 39885615, 40518720, 41255424, 42544656, 44202240, 45583560, 46412352, 47271840, 48622464, 50423296, 51569280, 53042688, 53180820, 54024960, 56726208, 58015440, 60778080, 61883136, 63029120, 63816984, 64829952, 66303360, 68759040, 70907760, 72933696, 75634944, 77353920, 79771230, 81037440, 85089312, 88404480, 91167120, 92824704, 94543680, 97244928, 103138560, 106361640, 108049920, 113452416, 116030880, 121556160, 123766272, 126058240, 127633968, 132606720, 141815520, 145867392, 151269888, 154707840, 159542460, 162074880, 170178624, 182334240, 185649408, 189087360, 194489856, 206277120, 212723280, 226904832, 232061760, 243112320, 252116480, 255267936, 265213440, 283631040, 291734784, 309415680, 319084920, 324149760, 340357248, 364668480, 371298816, 378174720, 425446560, 453809664, 464123520, 486224640, 510535872, 567262080, 583469568, 618831360, 638169840, 680714496, 729336960, 756349440, 850893120, 928247040, 972449280, 1021071744, 1134524160, 1276339680, 1361428992, 1458673920, 1701786240, 1856494080, 2042143488, 2269048320, 2552679360, 2917347840, 3403572480, 4084286976, 5105358720, 6807144960, 10210717440, 20421434880]

約数ペア:

[(1, 20421434880), (2, 10210717440), (3, 6807144960), (4, 5105358720), (5, 4084286976), (6, 3403572480), (7, 2917347840), (8, 2552679360), (9, 2269048320), (10, 2042143488), (11, 1856494080), (12, 1701786240), (14, 1458673920), (15, 1361428992), (16, 1276339680), (18, 1134524160), (20, 1021071744), (21, 972449280), (22, 928247040), (24, 850893120), (27, 756349440), (28, 729336960), (30, 680714496), (32, 638169840), (33, 618831360), (35, 583469568), (36, 567262080), (40, 510535872), (42, 486224640), (44, 464123520), (45, 453809664), (48, 425446560), (54, 378174720), (55, 371298816), (56, 364668480), (60, 340357248), (63, 324149760), (64, 319084920), (66, 309415680), (70, 291734784), (72, 283631040), (77, 265213440), (80, 255267936), (81, 252116480), (84, 243112320), (88, 232061760), (90, 226904832), (96, 212723280), (99, 206277120), (105, 194489856), (108, 189087360), (110, 185649408), (112, 182334240), (120, 170178624), (126, 162074880), (128, 159542460), (132, 154707840), (135, 151269888), (140, 145867392), (144, 141815520), (154, 132606720), (160, 127633968), (162, 126058240), (165, 123766272), (168, 121556160), (176, 116030880), (180, 113452416), (189, 108049920), (192, 106361640), (198, 103138560), (210, 97244928), (216, 94543680), (220, 92824704), (224, 91167120), (231, 88404480), (240, 85089312), (252, 81037440), (256, 79771230), (264, 77353920), (270, 75634944), (280, 72933696), (288, 70907760), (297, 68759040), (308, 66303360), (315, 64829952), (320, 63816984), (324, 63029120), (330, 61883136), (336, 60778080), (352, 58015440), (360, 56726208), (378, 54024960), (384, 53180820), (385, 53042688), (396, 51569280), (405, 50423296), (420, 48622464), (432, 47271840), (440, 46412352), (448, 45583560), (462, 44202240), (480, 42544656), (495, 41255424), (504, 40518720), (512, 39885615), (528, 38676960), (540, 37817472), (560, 36466848), (567, 36016640), (576, 35453880), (594, 34379520), (616, 33151680), (630, 32414976), (640, 31908492), (648, 31514560), (660, 30941568), (672, 30389040), (693, 29468160), (704, 29007720), (720, 28363104), (756, 27012480), (768, 26590410), (770, 26521344), (792, 25784640), (810, 25211648), (840, 24311232), (864, 23635920), (880, 23206176), (891, 22919680), (896, 22791780), (924, 22101120), (945, 21609984), (960, 21272328), (990, 20627712), (1008, 20259360), (1056, 19338480), (1080, 18908736), (1120, 18233424), (1134, 18008320), (1152, 17726940), (1155, 17680896), (1188, 17189760), (1232, 16575840), (1260, 16207488), (1279, 15966720), (1280, 15954246), (1296, 15757280), (1320, 15470784), (1344, 15194520), (1386, 14734080), (1408, 14503860), (1440, 14181552), (1485, 13751808), (1512, 13506240), (1536, 13295205), (1540, 13260672), (1584, 12892320), (1620, 12605824), (1680, 12155616), (1728, 11817960), (1760, 11603088), (1782, 11459840), (1792, 11395890), (1848, 11050560), (1890, 10804992), (1920, 10636164), (1980, 10313856), (2016, 10129680), (2079, 9822720), (2112, 9669240), (2160, 9454368), (2240, 9116712), (2268, 9004160), (2304, 8863470), (2310, 8840448), (2376, 8594880), (2464, 8287920), (2520, 8103744), (2558, 7983360), (2560, 7977123), (2592, 7878640), (2640, 7735392), (2688, 7597260), (2772, 7367040), (2816, 7251930), (2835, 7203328), (2880, 7090776), (2970, 6875904), (3024, 6753120), (3080, 6630336), (3168, 6446160), (3240, 6302912), (3360, 6077808), (3456, 5908980), (3465, 5893632), (3520, 5801544), (3564, 5729920), (3584, 5697945), (3696, 5525280), (3780, 5402496), (3837, 5322240), (3840, 5318082), (3960, 5156928), (4032, 5064840), (4158, 4911360), (4224, 4834620), (4320, 4727184), (4455, 4583936), (4480, 4558356), (4536, 4502080), (4608, 4431735), (4620, 4420224), (4752, 4297440), (4928, 4143960), (5040, 4051872), (5116, 3991680), (5184, 3939320), (5280, 3867696), (5376, 3798630), (5544, 3683520), (5632, 3625965), (5670, 3601664), (5760, 3545388), (5940, 3437952), (6048, 3376560), (6160, 3315168), (6237, 3274240), (6336, 3223080), (6395, 3193344), (6480, 3151456), (6720, 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(19008, 1074360), (19185, 1064448), (19712, 1035990), (20160, 1012968), (20464, 997920), (20736, 984830), (20790, 982272), (21120, 966924), (22176, 920880), (22680, 900416), (23022, 887040), (23040, 886347), (23760, 859488), (24192, 844140), (24640, 828792), (24948, 818560), (25344, 805770), (25580, 798336), (25920, 787864), (26859, 760320), (26880, 759726), (27720, 736704), (28138, 725760), (28160, 725193), (28512, 716240), (29568, 690660), (30240, 675312), (30696, 665280), (31185, 654848), (31680, 644616), (32256, 633105), (33264, 613920), (34533, 591360), (34560, 590898), (35640, 572992), (35812, 570240), (36288, 562760), (36960, 552528), (38016, 537180), (38370, 532224), (39424, 517995), (40320, 506484), (40928, 498960), (41472, 492415), (41580, 491136), (42207, 483840), (42240, 483462), (44352, 460440), (44765, 456192), (45360, 450208), (46044, 443520), (47520, 429744), (48384, 422070), (49280, 414396), (49896, 409280), (50688, 402885), (51160, 399168), (51840, 393932), (53718, 380160), (53760, 379863), (55440, 368352), (56276, 362880), (57024, 358120), (57555, 354816), (59136, 345330), (60480, 337656), (61392, 332640), (62370, 327424), (63360, 322308), (66528, 306960), (69066, 295680), (69120, 295449), (70345, 290304), (71280, 286496), (71624, 285120), (72576, 281380), (73920, 276264), (76032, 268590), (76740, 266112), (80577, 253440), (80640, 253242), (81856, 249480), (83160, 245568), (84414, 241920), (84480, 241731), (88704, 230220), (89530, 228096), (90720, 225104), (92088, 221760), (95040, 214872), (96768, 211035), (98483, 207360), (98560, 207198), (99792, 204640), (102320, 199584), (103599, 197120), (103680, 196966), (107436, 190080), (110880, 184176), (112552, 181440), (114048, 179060), (115110, 177408), (118272, 172665), (120960, 168828), (122784, 166320), (124740, 163712), (126621, 161280), (126720, 161154), (133056, 153480), (134295, 152064), (138132, 147840), (140690, 145152), (142560, 143248)]