78960780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438671}}^1$

素因数の和:438686

約数の個数: 36

約数和(自身を含む): 239514912

約数和(自身を除く): 160554132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438671, 877342, 1316013, 1754684, 2193355, 2632026, 3948039, 4386710, 5264052, 6580065, 7896078, 8773420, 13160130, 15792156, 19740195, 26320260, 39480390, 78960780]

約数ペア:

[(1, 78960780), (2, 39480390), (3, 26320260), (4, 19740195), (5, 15792156), (6, 13160130), (9, 8773420), (10, 7896078), (12, 6580065), (15, 5264052), (18, 4386710), (20, 3948039), (30, 2632026), (36, 2193355), (45, 1754684), (60, 1316013), (90, 877342), (180, 438671)]