15381780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256363}}^1$

素因数の和:256375

約数の個数: 24

約数和(自身を含む): 43069152

約数和(自身を除く): 27687372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256363, 512726, 769089, 1025452, 1281815, 1538178, 2563630, 3076356, 3845445, 5127260, 7690890, 15381780]

約数ペア:

[(1, 15381780), (2, 7690890), (3, 5127260), (4, 3845445), (5, 3076356), (6, 2563630), (10, 1538178), (12, 1281815), (15, 1025452), (20, 769089), (30, 512726), (60, 256363)]