128473728

素因数分解:

$2^7\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2305

約数の個数: 64

約数和(自身を含む): 343593120

約数和(自身を除く): 215119392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 314, 384, 471, 628, 942, 1256, 1884, 2131, 2512, 3768, 4262, 5024, 6393, 7536, 8524, 10048, 12786, 15072, 17048, 20096, 25572, 30144, 34096, 51144, 60288, 68192, 102288, 136384, 204576, 272768, 334567, 409152, 669134, 818304, 1003701, 1338268, 2007402, 2676536, 4014804, 5353072, 8029608, 10706144, 16059216, 21412288, 32118432, 42824576, 64236864, 128473728]

約数ペア:

[(1, 128473728), (2, 64236864), (3, 42824576), (4, 32118432), (6, 21412288), (8, 16059216), (12, 10706144), (16, 8029608), (24, 5353072), (32, 4014804), (48, 2676536), (64, 2007402), (96, 1338268), (128, 1003701), (157, 818304), (192, 669134), (314, 409152), (384, 334567), (471, 272768), (628, 204576), (942, 136384), (1256, 102288), (1884, 68192), (2131, 60288), (2512, 51144), (3768, 34096), (4262, 30144), (5024, 25572), (6393, 20096), (7536, 17048), (8524, 15072), (10048, 12786)]