27040020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64381}}^1$

素因数の和:64400

約数の個数: 48

約数和(自身を含む): 86529408

約数和(自身を除く): 59489388

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, 64381, 128762, 193143, 257524, 321905, 386286, 450667, 643810, 772572, 901334, 965715, 1287620, 1352001, 1802668, 1931430, 2253335, 2704002, 3862860, 4506670, 5408004, 6760005, 9013340, 13520010, 27040020]

約数ペア:

[(1, 27040020), (2, 13520010), (3, 9013340), (4, 6760005), (5, 5408004), (6, 4506670), (7, 3862860), (10, 2704002), (12, 2253335), (14, 1931430), (15, 1802668), (20, 1352001), (21, 1287620), (28, 965715), (30, 901334), (35, 772572), (42, 643810), (60, 450667), (70, 386286), (84, 321905), (105, 257524), (140, 193143), (210, 128762), (420, 64381)]