18520680

素因数分解:

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

素因数の和:154353

約数の個数: 32

約数和(自身を含む): 55562400

約数和(自身を除く): 37041720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 154339, 308678, 463017, 617356, 771695, 926034, 1234712, 1543390, 1852068, 2315085, 3086780, 3704136, 4630170, 6173560, 9260340, 18520680]

約数ペア:

[(1, 18520680), (2, 9260340), (3, 6173560), (4, 4630170), (5, 3704136), (6, 3086780), (8, 2315085), (10, 1852068), (12, 1543390), (15, 1234712), (20, 926034), (24, 771695), (30, 617356), (40, 463017), (60, 308678), (120, 154339)]