30917080

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2153}}^1$

素因数の和:2523

約数の個数: 32

約数和(自身を含む): 69789600

約数和(自身を除く): 38872520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2153, 2872, 3590, 4306, 7180, 8612, 10765, 14360, 17224, 21530, 43060, 86120, 772927, 1545854, 3091708, 3864635, 6183416, 7729270, 15458540, 30917080]

約数ペア:

[(1, 30917080), (2, 15458540), (4, 7729270), (5, 6183416), (8, 3864635), (10, 3091708), (20, 1545854), (40, 772927), (359, 86120), (718, 43060), (1436, 21530), (1795, 17224), (2153, 14360), (2872, 10765), (3590, 8612), (4306, 7180)]