31140420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1847}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 87550848

約数和(自身を除く): 56410428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 1847, 2810, 3372, 3694, 4215, 5541, 5620, 7388, 8430, 9235, 11082, 16860, 18470, 22164, 27705, 36940, 55410, 110820, 519007, 1038014, 1557021, 2076028, 2595035, 3114042, 5190070, 6228084, 7785105, 10380140, 15570210, 31140420]

約数ペア:

[(1, 31140420), (2, 15570210), (3, 10380140), (4, 7785105), (5, 6228084), (6, 5190070), (10, 3114042), (12, 2595035), (15, 2076028), (20, 1557021), (30, 1038014), (60, 519007), (281, 110820), (562, 55410), (843, 36940), (1124, 27705), (1405, 22164), (1686, 18470), (1847, 16860), (2810, 11082), (3372, 9235), (3694, 8430), (4215, 7388), (5541, 5620)]