20890275840

素因数分解:

$2^{12}\times 3^4\times 5^1\times 7^2\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 780

約数和(自身を含む): 87451670196

約数和(自身を除く): 66561394356

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 256, 257, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 384, 392, 405, 420, 432, 441, 448, 480, 490, 504, 512, 514, 540, 560, 567, 576, 588, 630, 640, 648, 672, 720, 735, 756, 768, 771, 784, 810, 840, 864, 882, 896, 945, 960, 980, 1008, 1024, 1028, 1080, 1120, 1134, 1152, 1176, 1260, 1280, 1285, 1296, 1323, 1344, 1440, 1470, 1512, 1536, 1542, 1568, 1620, 1680, 1728, 1764, 1792, 1799, 1890, 1920, 1960, 2016, 2048, 2056, 2160, 2205, 2240, 2268, 2304, 2313, 2352, 2520, 2560, 2570, 2592, 2646, 2688, 2835, 2880, 2940, 3024, 3072, 3084, 3136, 3240, 3360, 3456, 3528, 3584, 3598, 3780, 3840, 3855, 3920, 3969, 4032, 4096, 4112, 4320, 4410, 4480, 4536, 4608, 4626, 4704, 5040, 5120, 5140, 5184, 5292, 5376, 5397, 5670, 5760, 5880, 6048, 6144, 6168, 6272, 6480, 6615, 6720, 6912, 6939, 7056, 7168, 7196, 7560, 7680, 7710, 7840, 7938, 8064, 8224, 8640, 8820, 8960, 8995, 9072, 9216, 9252, 9408, 10080, 10240, 10280, 10368, 10584, 10752, 10794, 11340, 11520, 11565, 11760, 12096, 12288, 12336, 12544, 12593, 12960, 13230, 13440, 13824, 13878, 14112, 14336, 14392, 15120, 15360, 15420, 15680, 15876, 16128, 16191, 16448, 17280, 17640, 17920, 17990, 18144, 18432, 18504, 18816, 19845, 20160, 20480, 20560, 20736, 20817, 21168, 21504, 21588, 22680, 23040, 23130, 23520, 24192, 24672, 25088, 25186, 25920, 26460, 26880, 26985, 27648, 27756, 28224, 28672, 28784, 30240, 30720, 30840, 31360, 31752, 32256, 32382, 32896, 34560, 34695, 35280, 35840, 35980, 36288, 36864, 37008, 37632, 37779, 39690, 40320, 41120, 41472, 41634, 42336, 43008, 43176, 45360, 46080, 46260, 47040, 48384, 48573, 49344, 50176, 50372, 51840, 52920, 53760, 53970, 55296, 55512, 56448, 57568, 60480, 61440, 61680, 62720, 62965, 63504, 64512, 64764, 65792, 69120, 69390, 70560, 71680, 71960, 72576, 74016, 75264, 75558, 79380, 80640, 80955, 82240, 82944, 83268, 84672, 86016, 86352, 90720, 92160, 92520, 94080, 96768, 97146, 98688, 100352, 100744, 103680, 104085, 105840, 107520, 107940, 110592, 111024, 112896, 113337, 115136, 120960, 123360, 125440, 125930, 127008, 129024, 129528, 131584, 138240, 138780, 141120, 143360, 143920, 145152, 145719, 148032, 150528, 151116, 158760, 161280, 161910, 164480, 165888, 166536, 169344, 172704, 181440, 184320, 185040, 188160, 188895, 193536, 194292, 197376, 200704, 201488, 207360, 208170, 211680, 215040, 215880, 222048, 225792, 226674, 230272, 241920, 242865, 246720, 250880, 251860, 254016, 258048, 259056, 263168, 276480, 277560, 282240, 287840, 290304, 291438, 296064, 301056, 302232, 317520, 322560, 323820, 328960, 331776, 333072, 338688, 340011, 345408, 362880, 370080, 376320, 377790, 387072, 388584, 394752, 402976, 414720, 416340, 423360, 430080, 431760, 444096, 451584, 453348, 460544, 483840, 485730, 493440, 501760, 503720, 508032, 518112, 526336, 552960, 555120, 564480, 566685, 575680, 580608, 582876, 592128, 602112, 604464, 635040, 645120, 647640, 657920, 666144, 677376, 680022, 690816, 725760, 728595, 740160, 752640, 755580, 774144, 777168, 789504, 805952, 829440, 832680, 846720, 863520, 888192, 903168, 906696, 921088, 967680, 971460, 986880, 1003520, 1007440, 1016064, 1020033, 1036224, 1052672, 1110240, 1128960, 1133370, 1151360, 1161216, 1165752, 1184256, 1208928, 1270080, 1290240, 1295280, 1315840, 1332288, 1354752, 1360044, 1381632, 1451520, 1457190, 1480320, 1505280, 1511160, 1554336, 1579008, 1611904, 1658880, 1665360, 1693440, 1700055, 1727040, 1776384, 1806336, 1813392, 1842176, 1935360, 1942920, 1973760, 2014880, 2032128, 2040066, 2072448, 2220480, 2257920, 2266740, 2302720, 2322432, 2331504, 2368512, 2417856, 2540160, 2590560, 2631680, 2664576, 2709504, 2720088, 2763264, 2903040, 2914380, 2960640, 3010560, 3022320, 3108672, 3158016, 3223808, 3330720, 3386880, 3400110, 3454080, 3552768, 3626784, 3684352, 3870720, 3885840, 3947520, 4029760, 4064256, 4080132, 4144896, 4440960, 4515840, 4533480, 4605440, 4663008, 4737024, 4835712, 5080320, 5100165, 5181120, 5263360, 5329152, 5419008, 5440176, 5526528, 5806080, 5828760, 5921280, 6044640, 6217344, 6447616, 6661440, 6773760, 6800220, 6908160, 7105536, 7253568, 7368704, 7771680, 7895040, 8059520, 8128512, 8160264, 8289792, 8881920, 9031680, 9066960, 9210880, 9326016, 9474048, 9671424, 10160640, 10200330, 10362240, 10658304, 10880352, 11053056, 11612160, 11657520, 11842560, 12089280, 12434688, 12895232, 13322880, 13547520, 13600440, 13816320, 14211072, 14507136, 15543360, 15790080, 16119040, 16257024, 16320528, 16579584, 17763840, 18133920, 18421760, 18652032, 19342848, 20321280, 20400660, 20724480, 21316608, 21760704, 22106112, 23315040, 23685120, 24178560, 24869376, 25790464, 26645760, 27095040, 27200880, 27632640, 28422144, 29014272, 31086720, 32238080, 32641056, 33159168, 35527680, 36267840, 36843520, 37304064, 38685696, 40642560, 40801320, 41448960, 42633216, 43521408, 46630080, 47370240, 48357120, 49738752, 51580928, 53291520, 54401760, 55265280, 58028544, 62173440, 64476160, 65282112, 66318336, 71055360, 72535680, 74608128, 77371392, 81285120, 81602640, 82897920, 85266432, 87042816, 93260160, 96714240, 99477504, 106583040, 108803520, 110530560, 116057088, 124346880, 128952320, 130564224, 142110720, 145071360, 149216256, 154742784, 163205280, 165795840, 174085632, 186520320, 193428480, 198955008, 213166080, 217607040, 232114176, 248693760, 257904640, 261128448, 290142720, 298432512, 326410560, 331591680, 348171264, 373040640, 386856960, 426332160, 435214080, 464228352, 497387520, 522256896, 580285440, 596865024, 652821120, 696342528, 746081280, 773713920, 870428160, 994775040, 1044513792, 1160570880, 1305642240, 1392685056, 1492162560, 1740856320, 2089027584, 2321141760, 2611284480, 2984325120, 3481712640, 4178055168, 5222568960, 6963425280, 10445137920, 20890275840]

約数ペア:

[(1, 20890275840), (2, 10445137920), (3, 6963425280), (4, 5222568960), (5, 4178055168), (6, 3481712640), (7, 2984325120), (8, 2611284480), (9, 2321141760), (10, 2089027584), (12, 1740856320), (14, 1492162560), (15, 1392685056), (16, 1305642240), (18, 1160570880), (20, 1044513792), (21, 994775040), (24, 870428160), (27, 773713920), (28, 746081280), (30, 696342528), (32, 652821120), (35, 596865024), (36, 580285440), (40, 522256896), (42, 497387520), (45, 464228352), (48, 435214080), (49, 426332160), (54, 386856960), (56, 373040640), (60, 348171264), (63, 331591680), (64, 326410560), (70, 298432512), (72, 290142720), (80, 261128448), (81, 257904640), (84, 248693760), (90, 232114176), (96, 217607040), (98, 213166080), (105, 198955008), (108, 193428480), (112, 186520320), (120, 174085632), (126, 165795840), (128, 163205280), (135, 154742784), (140, 149216256), (144, 145071360), (147, 142110720), (160, 130564224), (162, 128952320), (168, 124346880), (180, 116057088), (189, 110530560), (192, 108803520), (196, 106583040), (210, 99477504), (216, 96714240), (224, 93260160), (240, 87042816), (245, 85266432), (252, 82897920), (256, 81602640), (257, 81285120), (270, 77371392), (280, 74608128), (288, 72535680), (294, 71055360), (315, 66318336), (320, 65282112), (324, 64476160), (336, 62173440), (360, 58028544), (378, 55265280), (384, 54401760), (392, 53291520), (405, 51580928), (420, 49738752), (432, 48357120), (441, 47370240), (448, 46630080), (480, 43521408), (490, 42633216), (504, 41448960), (512, 40801320), (514, 40642560), (540, 38685696), (560, 37304064), (567, 36843520), (576, 36267840), (588, 35527680), (630, 33159168), (640, 32641056), (648, 32238080), (672, 31086720), (720, 29014272), (735, 28422144), (756, 27632640), (768, 27200880), (771, 27095040), (784, 26645760), (810, 25790464), (840, 24869376), (864, 24178560), (882, 23685120), (896, 23315040), (945, 22106112), (960, 21760704), (980, 21316608), (1008, 20724480), (1024, 20400660), (1028, 20321280), (1080, 19342848), (1120, 18652032), (1134, 18421760), (1152, 18133920), (1176, 17763840), (1260, 16579584), (1280, 16320528), (1285, 16257024), (1296, 16119040), (1323, 15790080), (1344, 15543360), (1440, 14507136), (1470, 14211072), (1512, 13816320), (1536, 13600440), (1542, 13547520), (1568, 13322880), (1620, 12895232), (1680, 12434688), (1728, 12089280), (1764, 11842560), (1792, 11657520), (1799, 11612160), (1890, 11053056), (1920, 10880352), (1960, 10658304), (2016, 10362240), (2048, 10200330), (2056, 10160640), (2160, 9671424), (2205, 9474048), (2240, 9326016), (2268, 9210880), (2304, 9066960), (2313, 9031680), (2352, 8881920), (2520, 8289792), (2560, 8160264), (2570, 8128512), (2592, 8059520), (2646, 7895040), (2688, 7771680), (2835, 7368704), (2880, 7253568), (2940, 7105536), (3024, 6908160), (3072, 6800220), (3084, 6773760), (3136, 6661440), (3240, 6447616), (3360, 6217344), (3456, 6044640), (3528, 5921280), (3584, 5828760), (3598, 5806080), (3780, 5526528), (3840, 5440176), (3855, 5419008), (3920, 5329152), (3969, 5263360), (4032, 5181120), (4096, 5100165), (4112, 5080320), (4320, 4835712), (4410, 4737024), (4480, 4663008), (4536, 4605440), (4608, 4533480), (4626, 4515840), (4704, 4440960), (5040, 4144896), (5120, 4080132), (5140, 4064256), (5184, 4029760), (5292, 3947520), (5376, 3885840), (5397, 3870720), (5670, 3684352), (5760, 3626784), (5880, 3552768), (6048, 3454080), (6144, 3400110), (6168, 3386880), (6272, 3330720), (6480, 3223808), (6615, 3158016), (6720, 3108672), (6912, 3022320), (6939, 3010560), (7056, 2960640), (7168, 2914380), (7196, 2903040), (7560, 2763264), (7680, 2720088), (7710, 2709504), (7840, 2664576), (7938, 2631680), (8064, 2590560), (8224, 2540160), (8640, 2417856), (8820, 2368512), (8960, 2331504), (8995, 2322432), (9072, 2302720), (9216, 2266740), (9252, 2257920), (9408, 2220480), (10080, 2072448), (10240, 2040066), (10280, 2032128), (10368, 2014880), (10584, 1973760), (10752, 1942920), (10794, 1935360), (11340, 1842176), (11520, 1813392), (11565, 1806336), (11760, 1776384), (12096, 1727040), (12288, 1700055), (12336, 1693440), (12544, 1665360), (12593, 1658880), (12960, 1611904), (13230, 1579008), (13440, 1554336), (13824, 1511160), (13878, 1505280), (14112, 1480320), (14336, 1457190), (14392, 1451520), (15120, 1381632), (15360, 1360044), (15420, 1354752), (15680, 1332288), (15876, 1315840), (16128, 1295280), (16191, 1290240), (16448, 1270080), (17280, 1208928), (17640, 1184256), (17920, 1165752), (17990, 1161216), (18144, 1151360), (18432, 1133370), (18504, 1128960), (18816, 1110240), (19845, 1052672), (20160, 1036224), (20480, 1020033), (20560, 1016064), (20736, 1007440), (20817, 1003520), (21168, 986880), (21504, 971460), (21588, 967680), (22680, 921088), (23040, 906696), (23130, 903168), (23520, 888192), (24192, 863520), (24672, 846720), (25088, 832680), (25186, 829440), (25920, 805952), (26460, 789504), (26880, 777168), (26985, 774144), (27648, 755580), (27756, 752640), (28224, 740160), (28672, 728595), (28784, 725760), (30240, 690816), (30720, 680022), (30840, 677376), (31360, 666144), (31752, 657920), (32256, 647640), (32382, 645120), (32896, 635040), (34560, 604464), (34695, 602112), (35280, 592128), (35840, 582876), (35980, 580608), (36288, 575680), (36864, 566685), (37008, 564480), (37632, 555120), (37779, 552960), (39690, 526336), (40320, 518112), (41120, 508032), (41472, 503720), (41634, 501760), (42336, 493440), (43008, 485730), (43176, 483840), (45360, 460544), (46080, 453348), (46260, 451584), (47040, 444096), (48384, 431760), (48573, 430080), (49344, 423360), (50176, 416340), (50372, 414720), (51840, 402976), (52920, 394752), (53760, 388584), (53970, 387072), (55296, 377790), (55512, 376320), (56448, 370080), (57568, 362880), (60480, 345408), (61440, 340011), (61680, 338688), (62720, 333072), (62965, 331776), (63504, 328960), (64512, 323820), (64764, 322560), (65792, 317520), (69120, 302232), (69390, 301056), (70560, 296064), (71680, 291438), (71960, 290304), (72576, 287840), (74016, 282240), (75264, 277560), (75558, 276480), (79380, 263168), (80640, 259056), (80955, 258048), (82240, 254016), (82944, 251860), (83268, 250880), (84672, 246720), (86016, 242865), (86352, 241920), (90720, 230272), (92160, 226674), (92520, 225792), (94080, 222048), (96768, 215880), (97146, 215040), (98688, 211680), (100352, 208170), (100744, 207360), (103680, 201488), (104085, 200704), (105840, 197376), (107520, 194292), (107940, 193536), (110592, 188895), (111024, 188160), (112896, 185040), (113337, 184320), (115136, 181440), (120960, 172704), (123360, 169344), (125440, 166536), (125930, 165888), (127008, 164480), (129024, 161910), (129528, 161280), (131584, 158760), (138240, 151116), (138780, 150528), (141120, 148032), (143360, 145719), (143920, 145152)]