81238020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353967}}^1$

素因数の和:1353979

約数の個数: 24

約数和(自身を含む): 227466624

約数和(自身を除く): 146228604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353967, 2707934, 4061901, 5415868, 6769835, 8123802, 13539670, 16247604, 20309505, 27079340, 40619010, 81238020]

約数ペア:

[(1, 81238020), (2, 40619010), (3, 27079340), (4, 20309505), (5, 16247604), (6, 13539670), (10, 8123802), (12, 6769835), (15, 5415868), (20, 4061901), (30, 2707934), (60, 1353967)]