27980220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5903}}^1$

素因数の和:5994

約数の個数: 48

約数和(自身を含む): 79349760

約数和(自身を除く): 51369540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 5903, 11806, 17709, 23612, 29515, 35418, 59030, 70836, 88545, 118060, 177090, 354180, 466337, 932674, 1399011, 1865348, 2331685, 2798022, 4663370, 5596044, 6995055, 9326740, 13990110, 27980220]

約数ペア:

[(1, 27980220), (2, 13990110), (3, 9326740), (4, 6995055), (5, 5596044), (6, 4663370), (10, 2798022), (12, 2331685), (15, 1865348), (20, 1399011), (30, 932674), (60, 466337), (79, 354180), (158, 177090), (237, 118060), (316, 88545), (395, 70836), (474, 59030), (790, 35418), (948, 29515), (1185, 23612), (1580, 17709), (2370, 11806), (4740, 5903)]