15405460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{110039}}^1$

素因数の和:110055

約数の個数: 24

約数和(自身を含む): 36973440

約数和(自身を除く): 21567980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 110039, 220078, 440156, 550195, 770273, 1100390, 1540546, 2200780, 3081092, 3851365, 7702730, 15405460]

約数ペア:

[(1, 15405460), (2, 7702730), (4, 3851365), (5, 3081092), (7, 2200780), (10, 1540546), (14, 1100390), (20, 770273), (28, 550195), (35, 440156), (70, 220078), (140, 110039)]