30789780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73309}}^1$

素因数の和:73328

約数の個数: 48

約数和(自身を含む): 98528640

約数和(自身を除く): 67738860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73309, 146618, 219927, 293236, 366545, 439854, 513163, 733090, 879708, 1026326, 1099635, 1466180, 1539489, 2052652, 2199270, 2565815, 3078978, 4398540, 5131630, 6157956, 7697445, 10263260, 15394890, 30789780]

約数ペア:

[(1, 30789780), (2, 15394890), (3, 10263260), (4, 7697445), (5, 6157956), (6, 5131630), (7, 4398540), (10, 3078978), (12, 2565815), (14, 2199270), (15, 2052652), (20, 1539489), (21, 1466180), (28, 1099635), (30, 1026326), (35, 879708), (42, 733090), (60, 513163), (70, 439854), (84, 366545), (105, 293236), (140, 219927), (210, 146618), (420, 73309)]