256043136

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 711682560

約数和(自身を除く): 455639424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 137, 157, 186, 192, 248, 274, 314, 372, 384, 411, 471, 496, 548, 628, 744, 822, 942, 992, 1096, 1256, 1488, 1644, 1884, 1984, 2192, 2512, 2976, 3288, 3768, 3968, 4247, 4384, 4867, 5024, 5952, 6576, 7536, 8494, 8768, 9734, 10048, 11904, 12741, 13152, 14601, 15072, 16988, 17536, 19468, 20096, 21509, 25482, 26304, 29202, 30144, 33976, 38936, 43018, 50964, 52608, 58404, 60288, 64527, 67952, 77872, 86036, 101928, 116808, 129054, 135904, 155744, 172072, 203856, 233616, 258108, 271808, 311488, 344144, 407712, 467232, 516216, 543616, 622976, 666779, 688288, 815424, 934464, 1032432, 1333558, 1376576, 1630848, 1868928, 2000337, 2064864, 2667116, 2753152, 4000674, 4129728, 5334232, 8001348, 8259456, 10668464, 16002696, 21336928, 32005392, 42673856, 64010784, 85347712, 128021568, 256043136]

約数ペア:

[(1, 256043136), (2, 128021568), (3, 85347712), (4, 64010784), (6, 42673856), (8, 32005392), (12, 21336928), (16, 16002696), (24, 10668464), (31, 8259456), (32, 8001348), (48, 5334232), (62, 4129728), (64, 4000674), (93, 2753152), (96, 2667116), (124, 2064864), (128, 2000337), (137, 1868928), (157, 1630848), (186, 1376576), (192, 1333558), (248, 1032432), (274, 934464), (314, 815424), (372, 688288), (384, 666779), (411, 622976), (471, 543616), (496, 516216), (548, 467232), (628, 407712), (744, 344144), (822, 311488), (942, 271808), (992, 258108), (1096, 233616), (1256, 203856), (1488, 172072), (1644, 155744), (1884, 135904), (1984, 129054), (2192, 116808), (2512, 101928), (2976, 86036), (3288, 77872), (3768, 67952), (3968, 64527), (4247, 60288), (4384, 58404), (4867, 52608), (5024, 50964), (5952, 43018), (6576, 38936), (7536, 33976), (8494, 30144), (8768, 29202), (9734, 26304), (10048, 25482), (11904, 21509), (12741, 20096), (13152, 19468), (14601, 17536), (15072, 16988)]