67480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 174240

約数和(自身を除く): 106760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3374, 4820, 6748, 8435, 9640, 13496, 16870, 33740, 67480]

約数ペア:

[(1, 67480), (2, 33740), (4, 16870), (5, 13496), (7, 9640), (8, 8435), (10, 6748), (14, 4820), (20, 3374), (28, 2410), (35, 1928), (40, 1687), (56, 1205), (70, 964), (140, 482), (241, 280)]