81298260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451657}}^1$

素因数の和:451672

約数の個数: 36

約数和(自身を含む): 246605268

約数和(自身を除く): 165307008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451657, 903314, 1354971, 1806628, 2258285, 2709942, 4064913, 4516570, 5419884, 6774855, 8129826, 9033140, 13549710, 16259652, 20324565, 27099420, 40649130, 81298260]

約数ペア:

[(1, 81298260), (2, 40649130), (3, 27099420), (4, 20324565), (5, 16259652), (6, 13549710), (9, 9033140), (10, 8129826), (12, 6774855), (15, 5419884), (18, 4516570), (20, 4064913), (30, 2709942), (36, 2258285), (45, 1806628), (60, 1354971), (90, 903314), (180, 451657)]