123636520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4051}}^1$

素因数の和:4178

約数の個数: 64

約数和(自身を含む): 320918400

約数和(自身を除く): 197281880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4051, 4360, 6104, 7630, 8102, 15260, 16204, 20255, 28357, 30520, 32408, 40510, 56714, 81020, 113428, 141785, 162040, 226856, 283570, 441559, 567140, 883118, 1134280, 1766236, 2207795, 3090913, 3532472, 4415590, 6181826, 8831180, 12363652, 15454565, 17662360, 24727304, 30909130, 61818260, 123636520]

約数ペア:

[(1, 123636520), (2, 61818260), (4, 30909130), (5, 24727304), (7, 17662360), (8, 15454565), (10, 12363652), (14, 8831180), (20, 6181826), (28, 4415590), (35, 3532472), (40, 3090913), (56, 2207795), (70, 1766236), (109, 1134280), (140, 883118), (218, 567140), (280, 441559), (436, 283570), (545, 226856), (763, 162040), (872, 141785), (1090, 113428), (1526, 81020), (2180, 56714), (3052, 40510), (3815, 32408), (4051, 30520), (4360, 28357), (6104, 20255), (7630, 16204), (8102, 15260)]