128279664

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20717}}^1$

素因数の和:20774

約数の個数: 60

約数和(自身を含む): 367371576

約数和(自身を除く): 239091912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 6192, 20717, 41434, 62151, 82868, 124302, 165736, 186453, 248604, 331472, 372906, 497208, 745812, 890831, 994416, 1491624, 1781662, 2672493, 2983248, 3563324, 5344986, 7126648, 8017479, 10689972, 14253296, 16034958, 21379944, 32069916, 42759888, 64139832, 128279664]

約数ペア:

[(1, 128279664), (2, 64139832), (3, 42759888), (4, 32069916), (6, 21379944), (8, 16034958), (9, 14253296), (12, 10689972), (16, 8017479), (18, 7126648), (24, 5344986), (36, 3563324), (43, 2983248), (48, 2672493), (72, 1781662), (86, 1491624), (129, 994416), (144, 890831), (172, 745812), (258, 497208), (344, 372906), (387, 331472), (516, 248604), (688, 186453), (774, 165736), (1032, 124302), (1548, 82868), (2064, 62151), (3096, 41434), (6192, 20717)]