20685181440

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 960

約数和(自身を含む): 88670039040

約数和(自身を除く): 67984857600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 32, 33, 35, 38, 40, 42, 44, 48, 49, 55, 56, 57, 60, 64, 66, 70, 76, 77, 80, 84, 88, 95, 96, 98, 105, 110, 112, 114, 120, 128, 132, 133, 140, 147, 152, 154, 160, 165, 168, 176, 190, 192, 196, 209, 210, 220, 224, 228, 231, 240, 245, 256, 263, 264, 266, 280, 285, 294, 304, 308, 320, 330, 336, 352, 380, 384, 385, 392, 399, 418, 420, 440, 448, 456, 462, 480, 490, 512, 526, 528, 532, 539, 560, 570, 588, 608, 616, 627, 640, 660, 665, 672, 704, 735, 760, 768, 770, 784, 789, 798, 836, 840, 880, 896, 912, 924, 931, 960, 980, 1045, 1052, 1056, 1064, 1078, 1120, 1140, 1155, 1176, 1216, 1232, 1254, 1280, 1315, 1320, 1330, 1344, 1408, 1463, 1470, 1520, 1536, 1540, 1568, 1578, 1596, 1617, 1672, 1680, 1760, 1792, 1824, 1841, 1848, 1862, 1920, 1960, 1995, 2090, 2104, 2112, 2128, 2156, 2240, 2280, 2310, 2352, 2432, 2464, 2508, 2560, 2630, 2640, 2660, 2688, 2695, 2793, 2816, 2893, 2926, 2940, 3040, 3080, 3135, 3136, 3156, 3192, 3234, 3344, 3360, 3520, 3584, 3648, 3682, 3696, 3724, 3840, 3920, 3945, 3990, 4180, 4208, 4224, 4256, 4312, 4389, 4480, 4560, 4620, 4655, 4704, 4864, 4928, 4997, 5016, 5260, 5280, 5320, 5376, 5390, 5523, 5586, 5632, 5786, 5852, 5880, 6080, 6160, 6270, 6272, 6312, 6384, 6468, 6688, 6720, 7040, 7296, 7315, 7364, 7392, 7448, 7680, 7840, 7890, 7980, 8085, 8360, 8416, 8448, 8512, 8624, 8679, 8778, 8960, 9120, 9205, 9240, 9310, 9408, 9728, 9856, 9994, 10032, 10241, 10520, 10560, 10640, 10752, 10780, 11046, 11172, 11572, 11704, 11760, 12160, 12320, 12540, 12544, 12624, 12768, 12887, 12936, 13376, 13440, 13965, 14080, 14465, 14592, 14630, 14728, 14784, 14896, 14991, 15680, 15780, 15960, 16170, 16720, 16832, 16896, 17024, 17248, 17358, 17556, 17920, 18240, 18410, 18480, 18620, 18816, 19712, 19988, 20064, 20251, 20482, 21040, 21120, 21280, 21560, 21945, 22092, 22344, 23144, 23408, 23520, 24320, 24640, 24985, 25080, 25088, 25248, 25536, 25774, 25872, 26752, 26880, 27615, 27930, 28160, 28930, 29184, 29260, 29456, 29568, 29792, 29982, 30723, 31360, 31560, 31920, 32340, 33440, 33664, 34048, 34496, 34716, 34979, 35112, 36480, 36820, 36960, 37240, 37632, 38661, 39424, 39976, 40128, 40502, 40964, 42080, 42240, 42560, 43120, 43395, 43890, 44184, 44688, 46288, 46816, 47040, 48640, 49280, 49970, 50160, 50496, 51072, 51205, 51548, 51744, 53504, 53760, 54967, 55230, 55860, 57860, 58520, 58912, 59136, 59584, 59964, 60753, 61446, 62720, 63120, 63840, 64435, 64680, 66880, 67328, 68096, 68992, 69432, 69958, 70224, 72960, 73640, 73920, 74480, 74955, 75264, 77322, 79952, 80256, 81004, 81928, 84160, 84480, 85120, 86240, 86790, 87780, 88368, 89376, 92576, 93632, 94080, 98560, 99940, 100320, 100992, 101255, 102144, 102410, 103096, 103488, 104937, 107008, 109934, 110460, 111720, 115720, 117040, 117824, 118272, 119168, 119928, 121506, 122892, 125440, 126240, 127680, 128870, 129360, 133760, 134656, 137984, 138864, 139916, 140448, 141757, 145920, 147280, 147840, 148960, 149910, 153615, 154644, 159904, 160512, 162008, 163856, 164901, 168320, 170240, 172480, 173580, 174895, 175560, 176736, 178752, 185152, 187264, 188160, 193305, 197120, 199880, 200640, 201984, 202510, 204288, 204820, 206192, 206976, 209874, 219868, 220920, 223440, 231440, 234080, 235648, 238336, 239856, 243012, 244853, 245784, 252480, 255360, 257740, 258720, 267520, 274835, 275968, 277728, 279832, 280896, 283514, 294560, 295680, 297920, 299820, 303765, 307230, 309288, 319808, 321024, 324016, 327712, 329802, 336640, 340480, 344960, 347160, 349790, 351120, 353472, 357504, 370304, 374528, 376320, 384769, 386610, 399760, 401280, 403968, 405020, 409640, 412384, 413952, 419748, 425271, 439736, 441840, 446880, 462880, 468160, 471296, 476672, 479712, 486024, 489706, 491568, 504960, 510720, 515480, 517440, 524685, 535040, 549670, 555456, 559664, 561792, 567028, 589120, 591360, 595840, 599640, 607530, 614460, 618576, 639616, 648032, 655424, 659604, 673280, 689920, 694320, 699580, 702240, 706944, 708785, 715008, 734559, 740608, 749056, 769538, 773220, 799520, 802560, 810040, 819280, 824505, 824768, 827904, 839496, 850542, 879472, 883680, 893760, 925760, 936320, 942592, 959424, 972048, 979412, 983136, 1009920, 1021440, 1030960, 1034880, 1049370, 1099340, 1110912, 1119328, 1123584, 1134056, 1154307, 1178240, 1191680, 1199280, 1215060, 1224265, 1228920, 1237152, 1279232, 1296064, 1310848, 1319208, 1379840, 1388640, 1399160, 1404480, 1413888, 1417570, 1430016, 1469118, 1481216, 1539076, 1546440, 1599040, 1605120, 1620080, 1638560, 1649010, 1649536, 1678992, 1701084, 1758944, 1767360, 1787520, 1851520, 1872640, 1918848, 1923845, 1944096, 1958824, 1966272, 2019840, 2061920, 2069760, 2098740, 2126355, 2198680, 2221824, 2238656, 2247168, 2268112, 2308614, 2356480, 2383360, 2398560, 2430120, 2448530, 2457840, 2474304, 2558464, 2592128, 2621696, 2638416, 2693383, 2777280, 2798320, 2808960, 2827776, 2835140, 2938236, 3078152, 3092880, 3198080, 3240160, 3277120, 3298020, 3299072, 3357984, 3402168, 3517888, 3534720, 3575040, 3672795, 3703040, 3745280, 3837696, 3847690, 3888192, 3917648, 3932544, 4123840, 4139520, 4197480, 4252710, 4397360, 4443648, 4477312, 4536224, 4617228, 4712960, 4797120, 4860240, 4897060, 4915680, 4948608, 5184256, 5243392, 5276832, 5386766, 5554560, 5596640, 5617920, 5670280, 5771535, 5876472, 6156304, 6185760, 6396160, 6480320, 6554240, 6596040, 6598144, 6715968, 6804336, 7035776, 7069440, 7150080, 7345590, 7406080, 7675392, 7695380, 7776384, 7835296, 7865088, 8080149, 8247680, 8394960, 8505420, 8794720, 8954624, 9072448, 9234456, 9594240, 9720480, 9794120, 9831360, 9897216, 10368512, 10553664, 10773532, 11109120, 11193280, 11235840, 11340560, 11543070, 11752944, 12312608, 12371520, 12792320, 12960640, 13108480, 13192080, 13431936, 13466915, 13608672, 14071552, 14138880, 14691180, 15390760, 15552768, 15670592, 15730176, 16160298, 16495360, 16789920, 17010840, 17589440, 17909248, 18144896, 18468912, 19188480, 19440960, 19588240, 19662720, 19794432, 21107328, 21547064, 22218240, 22386560, 22681120, 23086140, 23505888, 24625216, 24743040, 25921280, 26216960, 26384160, 26863872, 26933830, 27217344, 28143104, 29382360, 30781520, 31105536, 31341184, 32320596, 32990720, 33579840, 34021680, 35178880, 36289792, 36937824, 38376960, 38881920, 39176480, 39325440, 40400745, 42214656, 43094128, 44773120, 45362240, 46172280, 47011776, 49250432, 49486080, 51842560, 52768320, 53727744, 53867660, 54434688, 58764720, 61563040, 62682368, 64641192, 67159680, 68043360, 70357760, 72579584, 73875648, 77763840, 78352960, 78650880, 80801490, 84429312, 86188256, 89546240, 90724480, 92344560, 94023552, 98500864, 98972160, 105536640, 107735320, 108869376, 117529440, 123126080, 125364736, 129282384, 134319360, 136086720, 140715520, 147751296, 155527680, 156705920, 161602980, 172376512, 181448960, 184689120, 188047104, 197001728, 211073280, 215470640, 217738752, 235058880, 246252160, 258564768, 268638720, 272173440, 295502592, 313411840, 323205960, 344753024, 362897920, 369378240, 376094208, 422146560, 430941280, 470117760, 492504320, 517129536, 544346880, 591005184, 626823680, 646411920, 689506048, 738756480, 861882560, 940235520, 985008640, 1034259072, 1088693760, 1292823840, 1379012096, 1477512960, 1723765120, 1880471040, 2068518144, 2585647680, 2955025920, 3447530240, 4137036288, 5171295360, 6895060480, 10342590720, 20685181440]

約数ペア:

[(1, 20685181440), (2, 10342590720), (3, 6895060480), (4, 5171295360), (5, 4137036288), (6, 3447530240), (7, 2955025920), (8, 2585647680), (10, 2068518144), (11, 1880471040), (12, 1723765120), (14, 1477512960), (15, 1379012096), (16, 1292823840), (19, 1088693760), (20, 1034259072), (21, 985008640), (22, 940235520), (24, 861882560), (28, 738756480), (30, 689506048), (32, 646411920), (33, 626823680), (35, 591005184), (38, 544346880), (40, 517129536), (42, 492504320), (44, 470117760), (48, 430941280), (49, 422146560), (55, 376094208), (56, 369378240), (57, 362897920), (60, 344753024), (64, 323205960), (66, 313411840), (70, 295502592), (76, 272173440), (77, 268638720), (80, 258564768), (84, 246252160), (88, 235058880), (95, 217738752), (96, 215470640), (98, 211073280), (105, 197001728), (110, 188047104), (112, 184689120), (114, 181448960), (120, 172376512), (128, 161602980), (132, 156705920), (133, 155527680), (140, 147751296), (147, 140715520), (152, 136086720), (154, 134319360), (160, 129282384), (165, 125364736), (168, 123126080), (176, 117529440), (190, 108869376), (192, 107735320), (196, 105536640), (209, 98972160), (210, 98500864), (220, 94023552), (224, 92344560), (228, 90724480), (231, 89546240), (240, 86188256), (245, 84429312), (256, 80801490), (263, 78650880), (264, 78352960), (266, 77763840), (280, 73875648), (285, 72579584), (294, 70357760), (304, 68043360), (308, 67159680), (320, 64641192), (330, 62682368), (336, 61563040), (352, 58764720), (380, 54434688), (384, 53867660), (385, 53727744), (392, 52768320), (399, 51842560), (418, 49486080), (420, 49250432), (440, 47011776), (448, 46172280), (456, 45362240), (462, 44773120), (480, 43094128), (490, 42214656), (512, 40400745), (526, 39325440), (528, 39176480), (532, 38881920), (539, 38376960), (560, 36937824), (570, 36289792), (588, 35178880), (608, 34021680), (616, 33579840), (627, 32990720), (640, 32320596), (660, 31341184), (665, 31105536), (672, 30781520), (704, 29382360), (735, 28143104), (760, 27217344), (768, 26933830), (770, 26863872), (784, 26384160), (789, 26216960), (798, 25921280), (836, 24743040), (840, 24625216), (880, 23505888), (896, 23086140), (912, 22681120), (924, 22386560), (931, 22218240), (960, 21547064), (980, 21107328), (1045, 19794432), (1052, 19662720), (1056, 19588240), (1064, 19440960), (1078, 19188480), (1120, 18468912), (1140, 18144896), (1155, 17909248), (1176, 17589440), (1216, 17010840), (1232, 16789920), (1254, 16495360), (1280, 16160298), (1315, 15730176), (1320, 15670592), (1330, 15552768), (1344, 15390760), (1408, 14691180), (1463, 14138880), (1470, 14071552), (1520, 13608672), (1536, 13466915), (1540, 13431936), (1568, 13192080), (1578, 13108480), (1596, 12960640), (1617, 12792320), (1672, 12371520), (1680, 12312608), (1760, 11752944), (1792, 11543070), (1824, 11340560), (1841, 11235840), (1848, 11193280), (1862, 11109120), (1920, 10773532), (1960, 10553664), (1995, 10368512), (2090, 9897216), (2104, 9831360), (2112, 9794120), (2128, 9720480), (2156, 9594240), (2240, 9234456), (2280, 9072448), (2310, 8954624), (2352, 8794720), (2432, 8505420), (2464, 8394960), (2508, 8247680), (2560, 8080149), (2630, 7865088), (2640, 7835296), (2660, 7776384), (2688, 7695380), (2695, 7675392), (2793, 7406080), (2816, 7345590), (2893, 7150080), (2926, 7069440), (2940, 7035776), (3040, 6804336), (3080, 6715968), (3135, 6598144), (3136, 6596040), (3156, 6554240), (3192, 6480320), (3234, 6396160), (3344, 6185760), (3360, 6156304), (3520, 5876472), (3584, 5771535), (3648, 5670280), (3682, 5617920), (3696, 5596640), (3724, 5554560), (3840, 5386766), (3920, 5276832), (3945, 5243392), (3990, 5184256), (4180, 4948608), (4208, 4915680), (4224, 4897060), (4256, 4860240), (4312, 4797120), (4389, 4712960), (4480, 4617228), (4560, 4536224), (4620, 4477312), (4655, 4443648), (4704, 4397360), (4864, 4252710), (4928, 4197480), (4997, 4139520), (5016, 4123840), (5260, 3932544), (5280, 3917648), (5320, 3888192), (5376, 3847690), (5390, 3837696), (5523, 3745280), (5586, 3703040), (5632, 3672795), (5786, 3575040), (5852, 3534720), (5880, 3517888), (6080, 3402168), (6160, 3357984), (6270, 3299072), (6272, 3298020), (6312, 3277120), (6384, 3240160), (6468, 3198080), (6688, 3092880), (6720, 3078152), (7040, 2938236), (7296, 2835140), (7315, 2827776), (7364, 2808960), (7392, 2798320), (7448, 2777280), (7680, 2693383), (7840, 2638416), (7890, 2621696), (7980, 2592128), (8085, 2558464), (8360, 2474304), (8416, 2457840), (8448, 2448530), (8512, 2430120), (8624, 2398560), (8679, 2383360), (8778, 2356480), (8960, 2308614), (9120, 2268112), (9205, 2247168), (9240, 2238656), (9310, 2221824), (9408, 2198680), (9728, 2126355), (9856, 2098740), (9994, 2069760), (10032, 2061920), (10241, 2019840), (10520, 1966272), (10560, 1958824), (10640, 1944096), (10752, 1923845), (10780, 1918848), (11046, 1872640), (11172, 1851520), (11572, 1787520), (11704, 1767360), (11760, 1758944), (12160, 1701084), (12320, 1678992), (12540, 1649536), (12544, 1649010), (12624, 1638560), (12768, 1620080), (12887, 1605120), (12936, 1599040), (13376, 1546440), (13440, 1539076), (13965, 1481216), (14080, 1469118), (14465, 1430016), (14592, 1417570), (14630, 1413888), (14728, 1404480), (14784, 1399160), (14896, 1388640), (14991, 1379840), (15680, 1319208), (15780, 1310848), (15960, 1296064), (16170, 1279232), (16720, 1237152), (16832, 1228920), (16896, 1224265), (17024, 1215060), (17248, 1199280), (17358, 1191680), (17556, 1178240), (17920, 1154307), (18240, 1134056), (18410, 1123584), (18480, 1119328), (18620, 1110912), (18816, 1099340), (19712, 1049370), (19988, 1034880), (20064, 1030960), (20251, 1021440), (20482, 1009920), (21040, 983136), (21120, 979412), (21280, 972048), (21560, 959424), (21945, 942592), (22092, 936320), (22344, 925760), (23144, 893760), (23408, 883680), (23520, 879472), (24320, 850542), (24640, 839496), (24985, 827904), (25080, 824768), (25088, 824505), (25248, 819280), (25536, 810040), (25774, 802560), (25872, 799520), (26752, 773220), (26880, 769538), (27615, 749056), (27930, 740608), (28160, 734559), (28930, 715008), (29184, 708785), (29260, 706944), (29456, 702240), (29568, 699580), (29792, 694320), (29982, 689920), (30723, 673280), (31360, 659604), (31560, 655424), (31920, 648032), (32340, 639616), (33440, 618576), (33664, 614460), (34048, 607530), (34496, 599640), (34716, 595840), (34979, 591360), (35112, 589120), (36480, 567028), (36820, 561792), (36960, 559664), (37240, 555456), (37632, 549670), (38661, 535040), (39424, 524685), (39976, 517440), (40128, 515480), (40502, 510720), (40964, 504960), (42080, 491568), (42240, 489706), (42560, 486024), (43120, 479712), (43395, 476672), (43890, 471296), (44184, 468160), (44688, 462880), (46288, 446880), (46816, 441840), (47040, 439736), (48640, 425271), (49280, 419748), (49970, 413952), (50160, 412384), (50496, 409640), (51072, 405020), (51205, 403968), (51548, 401280), (51744, 399760), (53504, 386610), (53760, 384769), (54967, 376320), (55230, 374528), (55860, 370304), (57860, 357504), (58520, 353472), (58912, 351120), (59136, 349790), (59584, 347160), (59964, 344960), (60753, 340480), (61446, 336640), (62720, 329802), (63120, 327712), (63840, 324016), (64435, 321024), (64680, 319808), (66880, 309288), (67328, 307230), (68096, 303765), (68992, 299820), (69432, 297920), (69958, 295680), (70224, 294560), (72960, 283514), (73640, 280896), (73920, 279832), (74480, 277728), (74955, 275968), (75264, 274835), (77322, 267520), (79952, 258720), (80256, 257740), (81004, 255360), (81928, 252480), (84160, 245784), (84480, 244853), (85120, 243012), (86240, 239856), (86790, 238336), (87780, 235648), (88368, 234080), (89376, 231440), (92576, 223440), (93632, 220920), (94080, 219868), (98560, 209874), (99940, 206976), (100320, 206192), (100992, 204820), (101255, 204288), (102144, 202510), (102410, 201984), (103096, 200640), (103488, 199880), (104937, 197120), (107008, 193305), (109934, 188160), (110460, 187264), (111720, 185152), (115720, 178752), (117040, 176736), (117824, 175560), (118272, 174895), (119168, 173580), (119928, 172480), (121506, 170240), (122892, 168320), (125440, 164901), (126240, 163856), (127680, 162008), (128870, 160512), (129360, 159904), (133760, 154644), (134656, 153615), (137984, 149910), (138864, 148960), (139916, 147840), (140448, 147280), (141757, 145920)]