30270520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108109}}^1$

素因数の和:108127

約数の個数: 32

約数和(自身を含む): 77839200

約数和(自身を除く): 47568680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108109, 216218, 432436, 540545, 756763, 864872, 1081090, 1513526, 2162180, 3027052, 3783815, 4324360, 6054104, 7567630, 15135260, 30270520]

約数ペア:

[(1, 30270520), (2, 15135260), (4, 7567630), (5, 6054104), (7, 4324360), (8, 3783815), (10, 3027052), (14, 2162180), (20, 1513526), (28, 1081090), (35, 864872), (40, 756763), (56, 540545), (70, 432436), (140, 216218), (280, 108109)]