28648920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 86461920

約数和(自身を除く): 57813000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1237, 1544, 1930, 2316, 2474, 2895, 3711, 3860, 4632, 4948, 5790, 6185, 7422, 7720, 9896, 11580, 12370, 14844, 18555, 23160, 24740, 29688, 37110, 49480, 74220, 148440, 238741, 477482, 716223, 954964, 1193705, 1432446, 1909928, 2387410, 2864892, 3581115, 4774820, 5729784, 7162230, 9549640, 14324460, 28648920]

約数ペア:

[(1, 28648920), (2, 14324460), (3, 9549640), (4, 7162230), (5, 5729784), (6, 4774820), (8, 3581115), (10, 2864892), (12, 2387410), (15, 1909928), (20, 1432446), (24, 1193705), (30, 954964), (40, 716223), (60, 477482), (120, 238741), (193, 148440), (386, 74220), (579, 49480), (772, 37110), (965, 29688), (1158, 24740), (1237, 23160), (1544, 18555), (1930, 14844), (2316, 12370), (2474, 11580), (2895, 9896), (3711, 7720), (3860, 7422), (4632, 6185), (4948, 5790)]