28942020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160789}}^1$

素因数の和:160804

約数の個数: 36

約数和(自身を含む): 87791340

約数和(自身を除く): 58849320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160789, 321578, 482367, 643156, 803945, 964734, 1447101, 1607890, 1929468, 2411835, 2894202, 3215780, 4823670, 5788404, 7235505, 9647340, 14471010, 28942020]

約数ペア:

[(1, 28942020), (2, 14471010), (3, 9647340), (4, 7235505), (5, 5788404), (6, 4823670), (9, 3215780), (10, 2894202), (12, 2411835), (15, 1929468), (18, 1607890), (20, 1447101), (30, 964734), (36, 803945), (45, 643156), (60, 482367), (90, 321578), (180, 160789)]