13272280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 34525440

約数和(自身を除く): 21253160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 443, 535, 749, 856, 886, 1070, 1498, 1772, 2140, 2215, 2996, 3101, 3544, 3745, 4280, 4430, 5992, 6202, 7490, 8860, 12404, 14980, 15505, 17720, 24808, 29960, 31010, 47401, 62020, 94802, 124040, 189604, 237005, 331807, 379208, 474010, 663614, 948020, 1327228, 1659035, 1896040, 2654456, 3318070, 6636140, 13272280]

約数ペア:

[(1, 13272280), (2, 6636140), (4, 3318070), (5, 2654456), (7, 1896040), (8, 1659035), (10, 1327228), (14, 948020), (20, 663614), (28, 474010), (35, 379208), (40, 331807), (56, 237005), (70, 189604), (107, 124040), (140, 94802), (214, 62020), (280, 47401), (428, 31010), (443, 29960), (535, 24808), (749, 17720), (856, 15505), (886, 14980), (1070, 12404), (1498, 8860), (1772, 7490), (2140, 6202), (2215, 5992), (2996, 4430), (3101, 4280), (3544, 3745)]