15780780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87671}}^1$

素因数の和:87686

約数の個数: 36

約数和(自身を含む): 47868912

約数和(自身を除く): 32088132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87671, 175342, 263013, 350684, 438355, 526026, 789039, 876710, 1052052, 1315065, 1578078, 1753420, 2630130, 3156156, 3945195, 5260260, 7890390, 15780780]

約数ペア:

[(1, 15780780), (2, 7890390), (3, 5260260), (4, 3945195), (5, 3156156), (6, 2630130), (9, 1753420), (10, 1578078), (12, 1315065), (15, 1052052), (18, 876710), (20, 789039), (30, 526026), (36, 438355), (45, 350684), (60, 263013), (90, 175342), (180, 87671)]