31560420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1151}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 88639488

約数和(自身を除く): 57079068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1151, 1371, 1828, 2285, 2302, 2742, 3453, 4570, 4604, 5484, 5755, 6855, 6906, 9140, 11510, 13710, 13812, 17265, 23020, 27420, 34530, 69060, 526007, 1052014, 1578021, 2104028, 2630035, 3156042, 5260070, 6312084, 7890105, 10520140, 15780210, 31560420]

約数ペア:

[(1, 31560420), (2, 15780210), (3, 10520140), (4, 7890105), (5, 6312084), (6, 5260070), (10, 3156042), (12, 2630035), (15, 2104028), (20, 1578021), (30, 1052014), (60, 526007), (457, 69060), (914, 34530), (1151, 27420), (1371, 23020), (1828, 17265), (2285, 13812), (2302, 13710), (2742, 11510), (3453, 9140), (4570, 6906), (4604, 6855), (5484, 5755)]