15390800

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 60

約数和(自身を含む): 37421340

約数和(自身を除く): 22030540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 353, 400, 436, 545, 706, 872, 1090, 1412, 1744, 1765, 2180, 2725, 2824, 3530, 4360, 5450, 5648, 7060, 8720, 8825, 10900, 14120, 17650, 21800, 28240, 35300, 38477, 43600, 70600, 76954, 141200, 153908, 192385, 307816, 384770, 615632, 769540, 961925, 1539080, 1923850, 3078160, 3847700, 7695400, 15390800]

約数ペア:

[(1, 15390800), (2, 7695400), (4, 3847700), (5, 3078160), (8, 1923850), (10, 1539080), (16, 961925), (20, 769540), (25, 615632), (40, 384770), (50, 307816), (80, 192385), (100, 153908), (109, 141200), (200, 76954), (218, 70600), (353, 43600), (400, 38477), (436, 35300), (545, 28240), (706, 21800), (872, 17650), (1090, 14120), (1412, 10900), (1744, 8825), (1765, 8720), (2180, 7060), (2725, 5648), (2824, 5450), (3530, 4360)]