15296720

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1907

約数の個数: 40

約数和(自身を含む): 35917344

約数和(自身を除く): 20620624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 1787, 2140, 3574, 4280, 7148, 8560, 8935, 14296, 17870, 28592, 35740, 71480, 142960, 191209, 382418, 764836, 956045, 1529672, 1912090, 3059344, 3824180, 7648360, 15296720]

約数ペア:

[(1, 15296720), (2, 7648360), (4, 3824180), (5, 3059344), (8, 1912090), (10, 1529672), (16, 956045), (20, 764836), (40, 382418), (80, 191209), (107, 142960), (214, 71480), (428, 35740), (535, 28592), (856, 17870), (1070, 14296), (1712, 8935), (1787, 8560), (2140, 7148), (3574, 4280)]