1977968640

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 288

約数和(自身を含む): 6636258720

約数和(自身を除く): 4658290080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 67, 80, 93, 96, 120, 124, 128, 134, 155, 160, 186, 192, 201, 240, 248, 256, 268, 310, 320, 335, 372, 384, 402, 465, 480, 496, 512, 536, 620, 640, 670, 744, 768, 804, 930, 960, 961, 992, 1005, 1024, 1072, 1240, 1280, 1340, 1488, 1536, 1608, 1860, 1920, 1922, 1984, 2010, 2048, 2077, 2144, 2480, 2560, 2680, 2883, 2976, 3072, 3216, 3720, 3840, 3844, 3968, 4020, 4154, 4288, 4805, 4960, 5120, 5360, 5766, 5952, 6144, 6231, 6432, 7440, 7680, 7688, 7936, 8040, 8308, 8576, 9610, 9920, 10240, 10385, 10720, 11532, 11904, 12462, 12864, 14415, 14880, 15360, 15376, 15872, 16080, 16616, 17152, 19220, 19840, 20770, 21440, 23064, 23808, 24924, 25728, 28830, 29760, 30720, 30752, 31155, 31744, 32160, 33232, 34304, 38440, 39680, 41540, 42880, 46128, 47616, 49848, 51456, 57660, 59520, 61504, 62310, 63488, 64320, 64387, 66464, 68608, 76880, 79360, 83080, 85760, 92256, 95232, 99696, 102912, 115320, 119040, 123008, 124620, 128640, 128774, 132928, 137216, 153760, 158720, 166160, 171520, 184512, 190464, 193161, 199392, 205824, 230640, 238080, 246016, 249240, 257280, 257548, 265856, 307520, 317440, 321935, 332320, 343040, 369024, 386322, 398784, 411648, 461280, 476160, 492032, 498480, 514560, 515096, 531712, 615040, 643870, 664640, 686080, 738048, 772644, 797568, 922560, 952320, 965805, 984064, 996960, 1029120, 1030192, 1063424, 1230080, 1287740, 1329280, 1476096, 1545288, 1595136, 1845120, 1931610, 1968128, 1993920, 2058240, 2060384, 2126848, 2460160, 2575480, 2658560, 2952192, 3090576, 3190272, 3690240, 3863220, 3987840, 4120768, 4253696, 4920320, 5150960, 5317120, 5904384, 6181152, 6380544, 7380480, 7726440, 7975680, 8241536, 9840640, 10301920, 10634240, 12362304, 12761088, 14760960, 15452880, 15951360, 16483072, 20603840, 21268480, 24724608, 29521920, 30905760, 31902720, 32966144, 41207680, 49449216, 61811520, 63805440, 65932288, 82415360, 98898432, 123623040, 131864576, 164830720, 197796864, 247246080, 329661440, 395593728, 494492160, 659322880, 988984320, 1977968640]

約数ペア:

[(1, 1977968640), (2, 988984320), (3, 659322880), (4, 494492160), (5, 395593728), (6, 329661440), (8, 247246080), (10, 197796864), (12, 164830720), (15, 131864576), (16, 123623040), (20, 98898432), (24, 82415360), (30, 65932288), (31, 63805440), (32, 61811520), (40, 49449216), (48, 41207680), (60, 32966144), (62, 31902720), (64, 30905760), (67, 29521920), (80, 24724608), (93, 21268480), (96, 20603840), (120, 16483072), (124, 15951360), (128, 15452880), (134, 14760960), (155, 12761088), (160, 12362304), (186, 10634240), (192, 10301920), (201, 9840640), (240, 8241536), (248, 7975680), (256, 7726440), (268, 7380480), (310, 6380544), (320, 6181152), (335, 5904384), (372, 5317120), (384, 5150960), (402, 4920320), (465, 4253696), (480, 4120768), (496, 3987840), (512, 3863220), (536, 3690240), (620, 3190272), (640, 3090576), (670, 2952192), (744, 2658560), (768, 2575480), (804, 2460160), (930, 2126848), (960, 2060384), (961, 2058240), (992, 1993920), (1005, 1968128), (1024, 1931610), (1072, 1845120), (1240, 1595136), (1280, 1545288), (1340, 1476096), (1488, 1329280), (1536, 1287740), (1608, 1230080), (1860, 1063424), (1920, 1030192), (1922, 1029120), (1984, 996960), (2010, 984064), (2048, 965805), (2077, 952320), (2144, 922560), (2480, 797568), (2560, 772644), (2680, 738048), (2883, 686080), (2976, 664640), (3072, 643870), (3216, 615040), (3720, 531712), (3840, 515096), (3844, 514560), (3968, 498480), (4020, 492032), (4154, 476160), (4288, 461280), (4805, 411648), (4960, 398784), (5120, 386322), (5360, 369024), (5766, 343040), (5952, 332320), (6144, 321935), (6231, 317440), (6432, 307520), (7440, 265856), (7680, 257548), (7688, 257280), (7936, 249240), (8040, 246016), (8308, 238080), (8576, 230640), (9610, 205824), (9920, 199392), (10240, 193161), (10385, 190464), (10720, 184512), (11532, 171520), (11904, 166160), (12462, 158720), (12864, 153760), (14415, 137216), (14880, 132928), (15360, 128774), (15376, 128640), (15872, 124620), (16080, 123008), (16616, 119040), (17152, 115320), (19220, 102912), (19840, 99696), (20770, 95232), (21440, 92256), (23064, 85760), (23808, 83080), (24924, 79360), (25728, 76880), (28830, 68608), (29760, 66464), (30720, 64387), (30752, 64320), (31155, 63488), (31744, 62310), (32160, 61504), (33232, 59520), (34304, 57660), (38440, 51456), (39680, 49848), (41540, 47616), (42880, 46128)]