20187457920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 576

約数和(自身を含む): 82479215520

約数和(自身を除く): 62291757600

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, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 320, 336, 360, 372, 384, 420, 434, 448, 465, 480, 496, 504, 521, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 840, 868, 896, 930, 960, 961, 992, 1008, 1042, 1085, 1116, 1120, 1152, 1240, 1260, 1302, 1344, 1395, 1440, 1488, 1563, 1680, 1736, 1860, 1920, 1922, 1953, 1984, 2016, 2084, 2170, 2232, 2240, 2480, 2520, 2604, 2605, 2688, 2790, 2880, 2883, 2976, 3126, 3255, 3360, 3472, 3647, 3720, 3844, 3906, 3968, 4032, 4168, 4340, 4464, 4480, 4689, 4805, 4960, 5040, 5208, 5210, 5580, 5760, 5766, 5952, 6252, 6510, 6720, 6727, 6944, 7294, 7440, 7688, 7812, 7815, 8064, 8336, 8649, 8680, 8928, 9378, 9610, 9765, 9920, 10080, 10416, 10420, 10941, 11160, 11532, 11904, 12504, 13020, 13440, 13454, 13888, 14415, 14588, 14880, 15376, 15624, 15630, 16151, 16672, 17298, 17360, 17856, 18235, 18756, 19220, 19530, 19840, 20160, 20181, 20832, 20840, 21882, 22320, 23064, 23445, 25008, 26040, 26908, 27776, 28830, 29176, 29760, 30752, 31248, 31260, 32302, 32823, 33344, 33635, 34596, 34720, 35712, 36470, 37512, 38440, 39060, 40320, 40362, 41664, 41680, 43245, 43764, 44640, 46128, 46890, 48453, 50016, 52080, 53816, 54705, 57660, 58352, 59520, 60543, 61504, 62496, 62520, 64604, 65646, 66688, 67270, 69192, 69440, 72940, 75024, 76880, 78120, 80724, 80755, 83328, 83360, 86490, 87528, 89280, 92256, 93780, 96906, 100032, 100905, 104160, 107632, 109410, 113057, 115320, 116704, 121086, 123008, 124992, 125040, 129208, 131292, 134540, 138384, 138880, 145359, 145880, 150048, 153760, 156240, 161448, 161510, 164115, 166720, 172980, 175056, 178560, 184512, 187560, 193812, 200064, 201810, 208320, 215264, 218820, 226114, 230640, 233408, 242172, 242265, 249984, 250080, 258416, 262584, 269080, 276768, 290718, 291760, 300096, 302715, 307520, 312480, 322896, 323020, 328230, 333440, 339171, 345960, 350112, 369024, 375120, 387624, 403620, 416640, 430528, 437640, 452228, 461280, 466816, 484344, 484530, 500160, 500681, 516832, 525168, 538160, 553536, 565285, 581436, 583520, 600192, 605430, 615040, 624960, 645792, 646040, 656460, 678342, 691920, 700224, 726795, 750240, 775248, 807240, 861056, 875280, 904456, 922560, 968688, 969060, 1000320, 1001362, 1017513, 1033664, 1050336, 1076320, 1107072, 1130570, 1162872, 1167040, 1210860, 1249920, 1291584, 1292080, 1312920, 1356684, 1383840, 1400448, 1453590, 1500480, 1502043, 1550496, 1614480, 1695855, 1750560, 1808912, 1845120, 1937376, 1938120, 2002724, 2035026, 2067328, 2100672, 2152640, 2261140, 2325744, 2334080, 2421720, 2503405, 2583168, 2584160, 2625840, 2713368, 2767680, 2907180, 3000960, 3004086, 3100992, 3228960, 3391710, 3501120, 3504767, 3617824, 3874752, 3876240, 4005448, 4070052, 4201344, 4305280, 4506129, 4522280, 4651488, 4843440, 5006810, 5087565, 5168320, 5251680, 5426736, 5535360, 5814360, 6008172, 6201984, 6457920, 6783420, 7002240, 7009534, 7235648, 7510215, 7749504, 7752480, 8010896, 8140104, 9012258, 9044560, 9302976, 9686880, 10013620, 10175130, 10336640, 10503360, 10514301, 10853472, 11628720, 12016344, 12915840, 13566840, 14019068, 14471296, 15020430, 15504960, 16021792, 16280208, 17523835, 18024516, 18089120, 18605952, 19373760, 20027240, 20350260, 21006720, 21028602, 21706944, 22530645, 23257440, 24032688, 27133680, 28038136, 30040860, 31009920, 31542903, 32043584, 32560416, 35047670, 36049032, 36178240, 38747520, 40054480, 40700520, 42057204, 43413888, 45061290, 46514880, 48065376, 52571505, 54267360, 56076272, 60081720, 63085806, 64087168, 65120832, 70095340, 72098064, 72356480, 80108960, 81401040, 84114408, 90122580, 93029760, 96130752, 105143010, 108534720, 112152544, 120163440, 126171612, 130241664, 140190680, 144196128, 157714515, 160217920, 162802080, 168228816, 180245160, 192261504, 210286020, 217069440, 224305088, 240326880, 252343224, 280381360, 288392256, 315429030, 320435840, 325604160, 336457632, 360490320, 420572040, 448610176, 480653760, 504686448, 560762720, 576784512, 630858060, 651208320, 672915264, 720980640, 841144080, 961307520, 1009372896, 1121525440, 1261716120, 1345830528, 1441961280, 1682288160, 2018745792, 2243050880, 2523432240, 2883922560, 3364576320, 4037491584, 5046864480, 6729152640, 10093728960, 20187457920]

約数ペア:

[(1, 20187457920), (2, 10093728960), (3, 6729152640), (4, 5046864480), (5, 4037491584), (6, 3364576320), (7, 2883922560), (8, 2523432240), (9, 2243050880), (10, 2018745792), (12, 1682288160), (14, 1441961280), (15, 1345830528), (16, 1261716120), (18, 1121525440), (20, 1009372896), (21, 961307520), (24, 841144080), (28, 720980640), (30, 672915264), (31, 651208320), (32, 630858060), (35, 576784512), (36, 560762720), (40, 504686448), (42, 480653760), (45, 448610176), (48, 420572040), (56, 360490320), (60, 336457632), (62, 325604160), (63, 320435840), (64, 315429030), (70, 288392256), (72, 280381360), (80, 252343224), (84, 240326880), (90, 224305088), (93, 217069440), (96, 210286020), (105, 192261504), (112, 180245160), (120, 168228816), (124, 162802080), (126, 160217920), (128, 157714515), (140, 144196128), (144, 140190680), (155, 130241664), (160, 126171612), (168, 120163440), (180, 112152544), (186, 108534720), (192, 105143010), (210, 96130752), (217, 93029760), (224, 90122580), (240, 84114408), (248, 81401040), (252, 80108960), (279, 72356480), (280, 72098064), (288, 70095340), (310, 65120832), (315, 64087168), (320, 63085806), (336, 60081720), (360, 56076272), (372, 54267360), (384, 52571505), (420, 48065376), (434, 46514880), (448, 45061290), (465, 43413888), (480, 42057204), (496, 40700520), (504, 40054480), (521, 38747520), (558, 36178240), (560, 36049032), (576, 35047670), (620, 32560416), (630, 32043584), (640, 31542903), (651, 31009920), (672, 30040860), (720, 28038136), (744, 27133680), (840, 24032688), (868, 23257440), (896, 22530645), (930, 21706944), (960, 21028602), (961, 21006720), (992, 20350260), (1008, 20027240), (1042, 19373760), (1085, 18605952), (1116, 18089120), (1120, 18024516), (1152, 17523835), (1240, 16280208), (1260, 16021792), (1302, 15504960), (1344, 15020430), (1395, 14471296), (1440, 14019068), (1488, 13566840), (1563, 12915840), (1680, 12016344), (1736, 11628720), (1860, 10853472), (1920, 10514301), (1922, 10503360), (1953, 10336640), (1984, 10175130), (2016, 10013620), (2084, 9686880), (2170, 9302976), (2232, 9044560), (2240, 9012258), (2480, 8140104), (2520, 8010896), (2604, 7752480), (2605, 7749504), (2688, 7510215), (2790, 7235648), (2880, 7009534), (2883, 7002240), (2976, 6783420), (3126, 6457920), (3255, 6201984), (3360, 6008172), (3472, 5814360), (3647, 5535360), (3720, 5426736), (3844, 5251680), (3906, 5168320), (3968, 5087565), (4032, 5006810), (4168, 4843440), (4340, 4651488), (4464, 4522280), (4480, 4506129), (4689, 4305280), (4805, 4201344), (4960, 4070052), (5040, 4005448), (5208, 3876240), (5210, 3874752), (5580, 3617824), (5760, 3504767), (5766, 3501120), (5952, 3391710), (6252, 3228960), (6510, 3100992), (6720, 3004086), (6727, 3000960), (6944, 2907180), (7294, 2767680), (7440, 2713368), (7688, 2625840), (7812, 2584160), (7815, 2583168), (8064, 2503405), (8336, 2421720), (8649, 2334080), (8680, 2325744), (8928, 2261140), (9378, 2152640), (9610, 2100672), (9765, 2067328), (9920, 2035026), (10080, 2002724), (10416, 1938120), (10420, 1937376), (10941, 1845120), (11160, 1808912), (11532, 1750560), (11904, 1695855), (12504, 1614480), (13020, 1550496), (13440, 1502043), (13454, 1500480), (13888, 1453590), (14415, 1400448), (14588, 1383840), (14880, 1356684), (15376, 1312920), (15624, 1292080), (15630, 1291584), (16151, 1249920), (16672, 1210860), (17298, 1167040), (17360, 1162872), (17856, 1130570), (18235, 1107072), (18756, 1076320), (19220, 1050336), (19530, 1033664), (19840, 1017513), (20160, 1001362), (20181, 1000320), (20832, 969060), (20840, 968688), (21882, 922560), (22320, 904456), (23064, 875280), (23445, 861056), (25008, 807240), (26040, 775248), (26908, 750240), (27776, 726795), (28830, 700224), (29176, 691920), (29760, 678342), (30752, 656460), (31248, 646040), (31260, 645792), (32302, 624960), (32823, 615040), (33344, 605430), (33635, 600192), (34596, 583520), (34720, 581436), (35712, 565285), (36470, 553536), (37512, 538160), (38440, 525168), (39060, 516832), (40320, 500681), (40362, 500160), (41664, 484530), (41680, 484344), (43245, 466816), (43764, 461280), (44640, 452228), (46128, 437640), (46890, 430528), (48453, 416640), (50016, 403620), (52080, 387624), (53816, 375120), (54705, 369024), (57660, 350112), (58352, 345960), (59520, 339171), (60543, 333440), (61504, 328230), (62496, 323020), (62520, 322896), (64604, 312480), (65646, 307520), (66688, 302715), (67270, 300096), (69192, 291760), (69440, 290718), (72940, 276768), (75024, 269080), (76880, 262584), (78120, 258416), (80724, 250080), (80755, 249984), (83328, 242265), (83360, 242172), (86490, 233408), (87528, 230640), (89280, 226114), (92256, 218820), (93780, 215264), (96906, 208320), (100032, 201810), (100905, 200064), (104160, 193812), (107632, 187560), (109410, 184512), (113057, 178560), (115320, 175056), (116704, 172980), (121086, 166720), (123008, 164115), (124992, 161510), (125040, 161448), (129208, 156240), (131292, 153760), (134540, 150048), (138384, 145880), (138880, 145359)]