15580460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 37773120

約数和(自身を除く): 22192660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1021, 1090, 1526, 2042, 2180, 3052, 3815, 4084, 5105, 7147, 7630, 10210, 14294, 15260, 20420, 28588, 35735, 71470, 111289, 142940, 222578, 445156, 556445, 779023, 1112890, 1558046, 2225780, 3116092, 3895115, 7790230, 15580460]

約数ペア:

[(1, 15580460), (2, 7790230), (4, 3895115), (5, 3116092), (7, 2225780), (10, 1558046), (14, 1112890), (20, 779023), (28, 556445), (35, 445156), (70, 222578), (109, 142940), (140, 111289), (218, 71470), (436, 35735), (545, 28588), (763, 20420), (1021, 15260), (1090, 14294), (1526, 10210), (2042, 7630), (2180, 7147), (3052, 5105), (3815, 4084)]