156227820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{371971}}^1$

素因数の和:371990

約数の個数: 48

約数和(自身を含む): 499930368

約数和(自身を除く): 343702548

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, 371971, 743942, 1115913, 1487884, 1859855, 2231826, 2603797, 3719710, 4463652, 5207594, 5579565, 7439420, 7811391, 10415188, 11159130, 13018985, 15622782, 22318260, 26037970, 31245564, 39056955, 52075940, 78113910, 156227820]

約数ペア:

[(1, 156227820), (2, 78113910), (3, 52075940), (4, 39056955), (5, 31245564), (6, 26037970), (7, 22318260), (10, 15622782), (12, 13018985), (14, 11159130), (15, 10415188), (20, 7811391), (21, 7439420), (28, 5579565), (30, 5207594), (35, 4463652), (42, 3719710), (60, 2603797), (70, 2231826), (84, 1859855), (105, 1487884), (140, 1115913), (210, 743942), (420, 371971)]