31191060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{811}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 87579072

約数和(自身を除く): 56388012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 811, 1282, 1622, 1923, 2433, 2564, 3205, 3244, 3846, 4055, 4866, 6410, 7692, 8110, 9615, 9732, 12165, 12820, 16220, 19230, 24330, 38460, 48660, 519851, 1039702, 1559553, 2079404, 2599255, 3119106, 5198510, 6238212, 7797765, 10397020, 15595530, 31191060]

約数ペア:

[(1, 31191060), (2, 15595530), (3, 10397020), (4, 7797765), (5, 6238212), (6, 5198510), (10, 3119106), (12, 2599255), (15, 2079404), (20, 1559553), (30, 1039702), (60, 519851), (641, 48660), (811, 38460), (1282, 24330), (1622, 19230), (1923, 16220), (2433, 12820), (2564, 12165), (3205, 9732), (3244, 9615), (3846, 8110), (4055, 7692), (4866, 6410)]