81371232

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4217}}^1$

素因数の和:4300

約数の個数: 72

約数和(自身を含む): 234908856

約数和(自身を除く): 153537624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1206, 1608, 2144, 2412, 3216, 4217, 4824, 6432, 8434, 9648, 12651, 16868, 19296, 25302, 33736, 37953, 50604, 67472, 75906, 101208, 134944, 151812, 202416, 282539, 303624, 404832, 565078, 607248, 847617, 1130156, 1214496, 1695234, 2260312, 2542851, 3390468, 4520624, 5085702, 6780936, 9041248, 10171404, 13561872, 20342808, 27123744, 40685616, 81371232]

約数ペア:

[(1, 81371232), (2, 40685616), (3, 27123744), (4, 20342808), (6, 13561872), (8, 10171404), (9, 9041248), (12, 6780936), (16, 5085702), (18, 4520624), (24, 3390468), (32, 2542851), (36, 2260312), (48, 1695234), (67, 1214496), (72, 1130156), (96, 847617), (134, 607248), (144, 565078), (201, 404832), (268, 303624), (288, 282539), (402, 202416), (536, 151812), (603, 134944), (804, 101208), (1072, 75906), (1206, 67472), (1608, 50604), (2144, 37953), (2412, 33736), (3216, 25302), (4217, 19296), (4824, 16868), (6432, 12651), (8434, 9648)]