15981960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{133183}}^1$

素因数の和:133197

約数の個数: 32

約数和(自身を含む): 47946240

約数和(自身を除く): 31964280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 133183, 266366, 399549, 532732, 665915, 799098, 1065464, 1331830, 1598196, 1997745, 2663660, 3196392, 3995490, 5327320, 7990980, 15981960]

約数ペア:

[(1, 15981960), (2, 7990980), (3, 5327320), (4, 3995490), (5, 3196392), (6, 2663660), (8, 1997745), (10, 1598196), (12, 1331830), (15, 1065464), (20, 799098), (24, 665915), (30, 532732), (40, 399549), (60, 266366), (120, 133183)]