199908840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1665907}}^1$

素因数の和:1665921

約数の個数: 32

約数和(自身を含む): 599726880

約数和(自身を除く): 399818040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1665907, 3331814, 4997721, 6663628, 8329535, 9995442, 13327256, 16659070, 19990884, 24988605, 33318140, 39981768, 49977210, 66636280, 99954420, 199908840]

約数ペア:

[(1, 199908840), (2, 99954420), (3, 66636280), (4, 49977210), (5, 39981768), (6, 33318140), (8, 24988605), (10, 19990884), (12, 16659070), (15, 13327256), (20, 9995442), (24, 8329535), (30, 6663628), (40, 4997721), (60, 3331814), (120, 1665907)]