78778020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1312967}}^1$

素因数の和:1312979

約数の個数: 24

約数和(自身を含む): 220578624

約数和(自身を除く): 141800604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1312967, 2625934, 3938901, 5251868, 6564835, 7877802, 13129670, 15755604, 19694505, 26259340, 39389010, 78778020]

約数ペア:

[(1, 78778020), (2, 39389010), (3, 26259340), (4, 19694505), (5, 15755604), (6, 13129670), (10, 7877802), (12, 6564835), (15, 5251868), (20, 3938901), (30, 2625934), (60, 1312967)]