31505820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2293}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 88640160

約数和(自身を除く): 57134340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 2290, 2293, 2748, 3435, 4580, 4586, 6870, 6879, 9172, 11465, 13740, 13758, 22930, 27516, 34395, 45860, 68790, 137580, 525097, 1050194, 1575291, 2100388, 2625485, 3150582, 5250970, 6301164, 7876455, 10501940, 15752910, 31505820]

約数ペア:

[(1, 31505820), (2, 15752910), (3, 10501940), (4, 7876455), (5, 6301164), (6, 5250970), (10, 3150582), (12, 2625485), (15, 2100388), (20, 1575291), (30, 1050194), (60, 525097), (229, 137580), (458, 68790), (687, 45860), (916, 34395), (1145, 27516), (1374, 22930), (2290, 13758), (2293, 13740), (2748, 11465), (3435, 9172), (4580, 6879), (4586, 6870)]