27781020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{154339}}^1$

素因数の和:154354

約数の個数: 36

約数和(自身を含む): 84269640

約数和(自身を除く): 56488620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 154339, 308678, 463017, 617356, 771695, 926034, 1389051, 1543390, 1852068, 2315085, 2778102, 3086780, 4630170, 5556204, 6945255, 9260340, 13890510, 27781020]

約数ペア:

[(1, 27781020), (2, 13890510), (3, 9260340), (4, 6945255), (5, 5556204), (6, 4630170), (9, 3086780), (10, 2778102), (12, 2315085), (15, 1852068), (18, 1543390), (20, 1389051), (30, 926034), (36, 771695), (45, 617356), (60, 463017), (90, 308678), (180, 154339)]