78883380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438241}}^1$

素因数の和:438256

約数の個数: 36

約数和(自身を含む): 239280132

約数和(自身を除く): 160396752

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438241, 876482, 1314723, 1752964, 2191205, 2629446, 3944169, 4382410, 5258892, 6573615, 7888338, 8764820, 13147230, 15776676, 19720845, 26294460, 39441690, 78883380]

約数ペア:

[(1, 78883380), (2, 39441690), (3, 26294460), (4, 19720845), (5, 15776676), (6, 13147230), (9, 8764820), (10, 7888338), (12, 6573615), (15, 5258892), (18, 4382410), (20, 3944169), (30, 2629446), (36, 2191205), (45, 1752964), (60, 1314723), (90, 876482), (180, 438241)]