61818260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4051}}^1$

素因数の和:4176

約数の個数: 48

約数和(自身を含む): 149761920

約数和(自身を除く): 87943660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4051, 7630, 8102, 15260, 16204, 20255, 28357, 40510, 56714, 81020, 113428, 141785, 283570, 441559, 567140, 883118, 1766236, 2207795, 3090913, 4415590, 6181826, 8831180, 12363652, 15454565, 30909130, 61818260]

約数ペア:

[(1, 61818260), (2, 30909130), (4, 15454565), (5, 12363652), (7, 8831180), (10, 6181826), (14, 4415590), (20, 3090913), (28, 2207795), (35, 1766236), (70, 883118), (109, 567140), (140, 441559), (218, 283570), (436, 141785), (545, 113428), (763, 81020), (1090, 56714), (1526, 40510), (2180, 28357), (3052, 20255), (3815, 16204), (4051, 15260), (7630, 8102)]