15216400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 60

約数和(自身を含む): 36998500

約数和(自身を除く): 21782100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 349, 400, 436, 545, 698, 872, 1090, 1396, 1744, 1745, 2180, 2725, 2792, 3490, 4360, 5450, 5584, 6980, 8720, 8725, 10900, 13960, 17450, 21800, 27920, 34900, 38041, 43600, 69800, 76082, 139600, 152164, 190205, 304328, 380410, 608656, 760820, 951025, 1521640, 1902050, 3043280, 3804100, 7608200, 15216400]

約数ペア:

[(1, 15216400), (2, 7608200), (4, 3804100), (5, 3043280), (8, 1902050), (10, 1521640), (16, 951025), (20, 760820), (25, 608656), (40, 380410), (50, 304328), (80, 190205), (100, 152164), (109, 139600), (200, 76082), (218, 69800), (349, 43600), (400, 38041), (436, 34900), (545, 27920), (698, 21800), (872, 17450), (1090, 13960), (1396, 10900), (1744, 8725), (1745, 8720), (2180, 6980), (2725, 5584), (2792, 5450), (3490, 4360)]