31456740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74897}}^1$

素因数の和:74916

約数の個数: 48

約数和(自身を含む): 100662912

約数和(自身を除く): 69206172

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, 74897, 149794, 224691, 299588, 374485, 449382, 524279, 748970, 898764, 1048558, 1123455, 1497940, 1572837, 2097116, 2246910, 2621395, 3145674, 4493820, 5242790, 6291348, 7864185, 10485580, 15728370, 31456740]

約数ペア:

[(1, 31456740), (2, 15728370), (3, 10485580), (4, 7864185), (5, 6291348), (6, 5242790), (7, 4493820), (10, 3145674), (12, 2621395), (14, 2246910), (15, 2097116), (20, 1572837), (21, 1497940), (28, 1123455), (30, 1048558), (35, 898764), (42, 748970), (60, 524279), (70, 449382), (84, 374485), (105, 299588), (140, 224691), (210, 149794), (420, 74897)]