77988780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433271}}^1$

素因数の和:433286

約数の個数: 36

約数和(自身を含む): 236566512

約数和(自身を除く): 158577732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433271, 866542, 1299813, 1733084, 2166355, 2599626, 3899439, 4332710, 5199252, 6499065, 7798878, 8665420, 12998130, 15597756, 19497195, 25996260, 38994390, 77988780]

約数ペア:

[(1, 77988780), (2, 38994390), (3, 25996260), (4, 19497195), (5, 15597756), (6, 12998130), (9, 8665420), (10, 7798878), (12, 6499065), (15, 5199252), (18, 4332710), (20, 3899439), (30, 2599626), (36, 2166355), (45, 1733084), (60, 1299813), (90, 866542), (180, 433271)]