80398260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{446657}}^1$

素因数の和:446672

約数の個数: 36

約数和(自身を含む): 243875268

約数和(自身を除く): 163477008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 446657, 893314, 1339971, 1786628, 2233285, 2679942, 4019913, 4466570, 5359884, 6699855, 8039826, 8933140, 13399710, 16079652, 20099565, 26799420, 40199130, 80398260]

約数ペア:

[(1, 80398260), (2, 40199130), (3, 26799420), (4, 20099565), (5, 16079652), (6, 13399710), (9, 8933140), (10, 8039826), (12, 6699855), (15, 5359884), (18, 4466570), (20, 4019913), (30, 2679942), (36, 2233285), (45, 1786628), (60, 1339971), (90, 893314), (180, 446657)]