6531420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{15551}}^1$

素因数の和:15570

約数の個数: 48

約数和(自身を含む): 20901888

約数和(自身を除く): 14370468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 15551, 31102, 46653, 62204, 77755, 93306, 108857, 155510, 186612, 217714, 233265, 311020, 326571, 435428, 466530, 544285, 653142, 933060, 1088570, 1306284, 1632855, 2177140, 3265710, 6531420]

約数ペア:

[(1, 6531420), (2, 3265710), (3, 2177140), (4, 1632855), (5, 1306284), (6, 1088570), (7, 933060), (10, 653142), (12, 544285), (14, 466530), (15, 435428), (20, 326571), (21, 311020), (28, 233265), (30, 217714), (35, 186612), (42, 155510), (60, 108857), (70, 93306), (84, 77755), (105, 62204), (140, 46653), (210, 31102), (420, 15551)]