79890780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1331513}}^1$

素因数の和:1331525

約数の個数: 24

約数和(自身を含む): 223694352

約数和(自身を除く): 143803572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1331513, 2663026, 3994539, 5326052, 6657565, 7989078, 13315130, 15978156, 19972695, 26630260, 39945390, 79890780]

約数ペア:

[(1, 79890780), (2, 39945390), (3, 26630260), (4, 19972695), (5, 15978156), (6, 13315130), (10, 7989078), (12, 6657565), (15, 5326052), (20, 3994539), (30, 2663026), (60, 1331513)]