51513360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{214639}}^1$

素因数の和:214655

約数の個数: 40

約数和(自身を含む): 159692160

約数和(自身を除く): 108178800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 214639, 429278, 643917, 858556, 1073195, 1287834, 1717112, 2146390, 2575668, 3219585, 3434224, 4292780, 5151336, 6439170, 8585560, 10302672, 12878340, 17171120, 25756680, 51513360]

約数ペア:

[(1, 51513360), (2, 25756680), (3, 17171120), (4, 12878340), (5, 10302672), (6, 8585560), (8, 6439170), (10, 5151336), (12, 4292780), (15, 3434224), (16, 3219585), (20, 2575668), (24, 2146390), (30, 1717112), (40, 1287834), (48, 1073195), (60, 858556), (80, 643917), (120, 429278), (240, 214639)]