79668840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{663907}}^1$

素因数の和:663921

約数の個数: 32

約数和(自身を含む): 239006880

約数和(自身を除く): 159338040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 663907, 1327814, 1991721, 2655628, 3319535, 3983442, 5311256, 6639070, 7966884, 9958605, 13278140, 15933768, 19917210, 26556280, 39834420, 79668840]

約数ペア:

[(1, 79668840), (2, 39834420), (3, 26556280), (4, 19917210), (5, 15933768), (6, 13278140), (8, 9958605), (10, 7966884), (12, 6639070), (15, 5311256), (20, 3983442), (24, 3319535), (30, 2655628), (40, 1991721), (60, 1327814), (120, 663907)]