1282740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21379}}^1$

素因数の和:21391

約数の個数: 24

約数和(自身を含む): 3591840

約数和(自身を除く): 2309100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21379, 42758, 64137, 85516, 106895, 128274, 213790, 256548, 320685, 427580, 641370, 1282740]

約数ペア:

[(1, 1282740), (2, 641370), (3, 427580), (4, 320685), (5, 256548), (6, 213790), (10, 128274), (12, 106895), (15, 85516), (20, 64137), (30, 42758), (60, 21379)]