77856570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78643}}^1$

素因数の和:78667

約数の個数: 48

約数和(自身を含む): 220832352

約数和(自身を除く): 142975782

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 78643, 157286, 235929, 393215, 471858, 707787, 786430, 865073, 1179645, 1415574, 1730146, 2359290, 2595219, 3538935, 4325365, 5190438, 7077870, 7785657, 8650730, 12976095, 15571314, 25952190, 38928285, 77856570]

約数ペア:

[(1, 77856570), (2, 38928285), (3, 25952190), (5, 15571314), (6, 12976095), (9, 8650730), (10, 7785657), (11, 7077870), (15, 5190438), (18, 4325365), (22, 3538935), (30, 2595219), (33, 2359290), (45, 1730146), (55, 1415574), (66, 1179645), (90, 865073), (99, 786430), (110, 707787), (165, 471858), (198, 393215), (330, 235929), (495, 157286), (990, 78643)]