15554120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1627}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 19610680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1627, 1912, 2390, 3254, 4780, 6508, 8135, 9560, 13016, 16270, 32540, 65080, 388853, 777706, 1555412, 1944265, 3110824, 3888530, 7777060, 15554120]

約数ペア:

[(1, 15554120), (2, 7777060), (4, 3888530), (5, 3110824), (8, 1944265), (10, 1555412), (20, 777706), (40, 388853), (239, 65080), (478, 32540), (956, 16270), (1195, 13016), (1627, 9560), (1912, 8135), (2390, 6508), (3254, 4780)]