78757020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437539}}^1$

素因数の和:437554

約数の個数: 36

約数和(自身を含む): 238896840

約数和(自身を除く): 160139820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437539, 875078, 1312617, 1750156, 2187695, 2625234, 3937851, 4375390, 5250468, 6563085, 7875702, 8750780, 13126170, 15751404, 19689255, 26252340, 39378510, 78757020]

約数ペア:

[(1, 78757020), (2, 39378510), (3, 26252340), (4, 19689255), (5, 15751404), (6, 13126170), (9, 8750780), (10, 7875702), (12, 6563085), (15, 5250468), (18, 4375390), (20, 3937851), (30, 2625234), (36, 2187695), (45, 1750156), (60, 1312617), (90, 875078), (180, 437539)]