15481480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55291}}^1$

素因数の和:55309

約数の個数: 32

約数和(自身を含む): 39810240

約数和(自身を除く): 24328760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55291, 110582, 221164, 276455, 387037, 442328, 552910, 774074, 1105820, 1548148, 1935185, 2211640, 3096296, 3870370, 7740740, 15481480]

約数ペア:

[(1, 15481480), (2, 7740740), (4, 3870370), (5, 3096296), (7, 2211640), (8, 1935185), (10, 1548148), (14, 1105820), (20, 774074), (28, 552910), (35, 442328), (40, 387037), (56, 276455), (70, 221164), (140, 110582), (280, 55291)]