31452540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74887}}^1$

素因数の和:74906

約数の個数: 48

約数和(自身を含む): 100649472

約数和(自身を除く): 69196932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74887, 149774, 224661, 299548, 374435, 449322, 524209, 748870, 898644, 1048418, 1123305, 1497740, 1572627, 2096836, 2246610, 2621045, 3145254, 4493220, 5242090, 6290508, 7863135, 10484180, 15726270, 31452540]

約数ペア:

[(1, 31452540), (2, 15726270), (3, 10484180), (4, 7863135), (5, 6290508), (6, 5242090), (7, 4493220), (10, 3145254), (12, 2621045), (14, 2246610), (15, 2096836), (20, 1572627), (21, 1497740), (28, 1123305), (30, 1048418), (35, 898644), (42, 748870), (60, 524209), (70, 449322), (84, 374435), (105, 299548), (140, 224661), (210, 149774), (420, 74887)]