252420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{601}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 809088

約数和(自身を除く): 556668

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, 601, 1202, 1803, 2404, 3005, 3606, 4207, 6010, 7212, 8414, 9015, 12020, 12621, 16828, 18030, 21035, 25242, 36060, 42070, 50484, 63105, 84140, 126210, 252420]

約数ペア:

[(1, 252420), (2, 126210), (3, 84140), (4, 63105), (5, 50484), (6, 42070), (7, 36060), (10, 25242), (12, 21035), (14, 18030), (15, 16828), (20, 12621), (21, 12020), (28, 9015), (30, 8414), (35, 7212), (42, 6010), (60, 4207), (70, 3606), (84, 3005), (105, 2404), (140, 1803), (210, 1202), (420, 601)]