261661260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{623003}}^1$

素因数の和:623022

約数の個数: 48

約数和(自身を含む): 837317376

約数和(自身を除く): 575656116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 623003, 1246006, 1869009, 2492012, 3115015, 3738018, 4361021, 6230030, 7476036, 8722042, 9345045, 12460060, 13083063, 17444084, 18690090, 21805105, 26166126, 37380180, 43610210, 52332252, 65415315, 87220420, 130830630, 261661260]

約数ペア:

[(1, 261661260), (2, 130830630), (3, 87220420), (4, 65415315), (5, 52332252), (6, 43610210), (7, 37380180), (10, 26166126), (12, 21805105), (14, 18690090), (15, 17444084), (20, 13083063), (21, 12460060), (28, 9345045), (30, 8722042), (35, 7476036), (42, 6230030), (60, 4361021), (70, 3738018), (84, 3115015), (105, 2492012), (140, 1869009), (210, 1246006), (420, 623003)]