311771520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:617

約数の個数: 192

約数和(自身を含む): 1088380800

約数和(自身を除く): 776609280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 128, 144, 160, 180, 192, 226, 240, 288, 320, 339, 360, 384, 452, 479, 480, 565, 576, 640, 678, 720, 904, 958, 960, 1017, 1130, 1152, 1356, 1437, 1440, 1695, 1808, 1916, 1920, 2034, 2260, 2395, 2712, 2874, 2880, 3390, 3616, 3832, 4068, 4311, 4520, 4790, 5085, 5424, 5748, 5760, 6780, 7185, 7232, 7664, 8136, 8622, 9040, 9580, 10170, 10848, 11496, 13560, 14370, 14464, 15328, 16272, 17244, 18080, 19160, 20340, 21555, 21696, 22992, 27120, 28740, 30656, 32544, 34488, 36160, 38320, 40680, 43110, 43392, 45984, 54127, 54240, 57480, 61312, 65088, 68976, 72320, 76640, 81360, 86220, 91968, 108254, 108480, 114960, 130176, 137952, 153280, 162381, 162720, 172440, 183936, 216508, 216960, 229920, 270635, 275904, 306560, 324762, 325440, 344880, 433016, 459840, 487143, 541270, 551808, 649524, 650880, 689760, 811905, 866032, 919680, 974286, 1082540, 1299048, 1379520, 1623810, 1732064, 1948572, 2165080, 2435715, 2598096, 2759040, 3247620, 3464128, 3897144, 4330160, 4871430, 5196192, 6495240, 6928256, 7794288, 8660320, 9742860, 10392384, 12990480, 15588576, 17320640, 19485720, 20784768, 25980960, 31177152, 34641280, 38971440, 51961920, 62354304, 77942880, 103923840, 155885760, 311771520]

約数ペア:

[(1, 311771520), (2, 155885760), (3, 103923840), (4, 77942880), (5, 62354304), (6, 51961920), (8, 38971440), (9, 34641280), (10, 31177152), (12, 25980960), (15, 20784768), (16, 19485720), (18, 17320640), (20, 15588576), (24, 12990480), (30, 10392384), (32, 9742860), (36, 8660320), (40, 7794288), (45, 6928256), (48, 6495240), (60, 5196192), (64, 4871430), (72, 4330160), (80, 3897144), (90, 3464128), (96, 3247620), (113, 2759040), (120, 2598096), (128, 2435715), (144, 2165080), (160, 1948572), (180, 1732064), (192, 1623810), (226, 1379520), (240, 1299048), (288, 1082540), (320, 974286), (339, 919680), (360, 866032), (384, 811905), (452, 689760), (479, 650880), (480, 649524), (565, 551808), (576, 541270), (640, 487143), (678, 459840), (720, 433016), (904, 344880), (958, 325440), (960, 324762), (1017, 306560), (1130, 275904), (1152, 270635), (1356, 229920), (1437, 216960), (1440, 216508), (1695, 183936), (1808, 172440), (1916, 162720), (1920, 162381), (2034, 153280), (2260, 137952), (2395, 130176), (2712, 114960), (2874, 108480), (2880, 108254), (3390, 91968), (3616, 86220), (3832, 81360), (4068, 76640), (4311, 72320), (4520, 68976), (4790, 65088), (5085, 61312), (5424, 57480), (5748, 54240), (5760, 54127), (6780, 45984), (7185, 43392), (7232, 43110), (7664, 40680), (8136, 38320), (8622, 36160), (9040, 34488), (9580, 32544), (10170, 30656), (10848, 28740), (11496, 27120), (13560, 22992), (14370, 21696), (14464, 21555), (15328, 20340), (16272, 19160), (17244, 18080)]