81667260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453707}}^1$

素因数の和:453722

約数の個数: 36

約数和(自身を含む): 247724568

約数和(自身を除く): 166057308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453707, 907414, 1361121, 1814828, 2268535, 2722242, 4083363, 4537070, 5444484, 6805605, 8166726, 9074140, 13611210, 16333452, 20416815, 27222420, 40833630, 81667260]

約数ペア:

[(1, 81667260), (2, 40833630), (3, 27222420), (4, 20416815), (5, 16333452), (6, 13611210), (9, 9074140), (10, 8166726), (12, 6805605), (15, 5444484), (18, 4537070), (20, 4083363), (30, 2722242), (36, 2268535), (45, 1814828), (60, 1361121), (90, 907414), (180, 453707)]