71781120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 266864640

約数和(自身を除く): 195083520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 67, 72, 80, 90, 93, 96, 108, 120, 124, 128, 134, 135, 144, 155, 160, 180, 186, 192, 201, 216, 240, 248, 256, 268, 270, 279, 288, 310, 320, 335, 360, 372, 384, 402, 432, 465, 480, 496, 536, 540, 558, 576, 603, 620, 640, 670, 720, 744, 768, 804, 837, 864, 930, 960, 992, 1005, 1072, 1080, 1116, 1152, 1206, 1240, 1280, 1340, 1395, 1440, 1488, 1608, 1674, 1728, 1809, 1860, 1920, 1984, 2010, 2077, 2144, 2160, 2232, 2304, 2412, 2480, 2680, 2790, 2880, 2976, 3015, 3216, 3348, 3456, 3618, 3720, 3840, 3968, 4020, 4154, 4185, 4288, 4320, 4464, 4824, 4960, 5360, 5580, 5760, 5952, 6030, 6231, 6432, 6696, 6912, 7236, 7440, 7936, 8040, 8308, 8370, 8576, 8640, 8928, 9045, 9648, 9920, 10385, 10720, 11160, 11520, 11904, 12060, 12462, 12864, 13392, 14472, 14880, 16080, 16616, 16740, 17152, 17280, 17856, 18090, 18693, 19296, 19840, 20770, 21440, 22320, 23808, 24120, 24924, 25728, 26784, 28944, 29760, 31155, 32160, 33232, 33480, 34560, 35712, 36180, 37386, 38592, 39680, 41540, 42880, 44640, 48240, 49848, 51456, 53568, 56079, 57888, 59520, 62310, 64320, 66464, 66960, 71424, 72360, 74772, 77184, 83080, 85760, 89280, 93465, 96480, 99696, 107136, 112158, 115776, 119040, 124620, 128640, 132928, 133920, 144720, 149544, 154368, 166160, 178560, 186930, 192960, 199392, 214272, 224316, 231552, 249240, 257280, 265856, 267840, 280395, 289440, 299088, 332320, 357120, 373860, 385920, 398784, 448632, 463104, 498480, 531712, 535680, 560790, 578880, 598176, 664640, 747720, 771840, 797568, 897264, 996960, 1071360, 1121580, 1157760, 1196352, 1329280, 1495440, 1595136, 1794528, 1993920, 2243160, 2315520, 2392704, 2658560, 2990880, 3589056, 3987840, 4486320, 4785408, 5981760, 7178112, 7975680, 8972640, 11963520, 14356224, 17945280, 23927040, 35890560, 71781120]

約数ペア:

[(1, 71781120), (2, 35890560), (3, 23927040), (4, 17945280), (5, 14356224), (6, 11963520), (8, 8972640), (9, 7975680), (10, 7178112), (12, 5981760), (15, 4785408), (16, 4486320), (18, 3987840), (20, 3589056), (24, 2990880), (27, 2658560), (30, 2392704), (31, 2315520), (32, 2243160), (36, 1993920), (40, 1794528), (45, 1595136), (48, 1495440), (54, 1329280), (60, 1196352), (62, 1157760), (64, 1121580), (67, 1071360), (72, 996960), (80, 897264), (90, 797568), (93, 771840), (96, 747720), (108, 664640), (120, 598176), (124, 578880), (128, 560790), (134, 535680), (135, 531712), (144, 498480), (155, 463104), (160, 448632), (180, 398784), (186, 385920), (192, 373860), (201, 357120), (216, 332320), (240, 299088), (248, 289440), (256, 280395), (268, 267840), (270, 265856), (279, 257280), (288, 249240), (310, 231552), (320, 224316), (335, 214272), (360, 199392), (372, 192960), (384, 186930), (402, 178560), (432, 166160), (465, 154368), (480, 149544), (496, 144720), (536, 133920), (540, 132928), (558, 128640), (576, 124620), (603, 119040), (620, 115776), (640, 112158), (670, 107136), (720, 99696), (744, 96480), (768, 93465), (804, 89280), (837, 85760), (864, 83080), (930, 77184), (960, 74772), (992, 72360), (1005, 71424), (1072, 66960), (1080, 66464), (1116, 64320), (1152, 62310), (1206, 59520), (1240, 57888), (1280, 56079), (1340, 53568), (1395, 51456), (1440, 49848), (1488, 48240), (1608, 44640), (1674, 42880), (1728, 41540), (1809, 39680), (1860, 38592), (1920, 37386), (1984, 36180), (2010, 35712), (2077, 34560), (2144, 33480), (2160, 33232), (2232, 32160), (2304, 31155), (2412, 29760), (2480, 28944), (2680, 26784), (2790, 25728), (2880, 24924), (2976, 24120), (3015, 23808), (3216, 22320), (3348, 21440), (3456, 20770), (3618, 19840), (3720, 19296), (3840, 18693), (3968, 18090), (4020, 17856), (4154, 17280), (4185, 17152), (4288, 16740), (4320, 16616), (4464, 16080), (4824, 14880), (4960, 14472), (5360, 13392), (5580, 12864), (5760, 12462), (5952, 12060), (6030, 11904), (6231, 11520), (6432, 11160), (6696, 10720), (6912, 10385), (7236, 9920), (7440, 9648), (7936, 9045), (8040, 8928), (8308, 8640), (8370, 8576)]