20160780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1741}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 56775264

約数和(自身を除く): 36614484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1741, 1930, 2316, 2895, 3482, 3860, 5223, 5790, 6964, 8705, 10446, 11580, 17410, 20892, 26115, 34820, 52230, 104460, 336013, 672026, 1008039, 1344052, 1680065, 2016078, 3360130, 4032156, 5040195, 6720260, 10080390, 20160780]

約数ペア:

[(1, 20160780), (2, 10080390), (3, 6720260), (4, 5040195), (5, 4032156), (6, 3360130), (10, 2016078), (12, 1680065), (15, 1344052), (20, 1008039), (30, 672026), (60, 336013), (193, 104460), (386, 52230), (579, 34820), (772, 26115), (965, 20892), (1158, 17410), (1741, 11580), (1930, 10446), (2316, 8705), (2895, 6964), (3482, 5790), (3860, 5223)]