27972420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66601}}^1$

素因数の和:66620

約数の個数: 48

約数和(自身を含む): 89513088

約数和(自身を除く): 61540668

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, 66601, 133202, 199803, 266404, 333005, 399606, 466207, 666010, 799212, 932414, 999015, 1332020, 1398621, 1864828, 1998030, 2331035, 2797242, 3996060, 4662070, 5594484, 6993105, 9324140, 13986210, 27972420]

約数ペア:

[(1, 27972420), (2, 13986210), (3, 9324140), (4, 6993105), (5, 5594484), (6, 4662070), (7, 3996060), (10, 2797242), (12, 2331035), (14, 1998030), (15, 1864828), (20, 1398621), (21, 1332020), (28, 999015), (30, 932414), (35, 799212), (42, 666010), (60, 466207), (70, 399606), (84, 333005), (105, 266404), (140, 199803), (210, 133202), (420, 66601)]