81260100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90289}}^1$

素因数の和:90309

約数の個数: 54

約数和(自身を含む): 254708090

約数和(自身を除く): 173447990

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90289, 180578, 270867, 361156, 451445, 541734, 812601, 902890, 1083468, 1354335, 1625202, 1805780, 2257225, 2708670, 3250404, 4063005, 4514450, 5417340, 6771675, 8126010, 9028900, 13543350, 16252020, 20315025, 27086700, 40630050, 81260100]

約数ペア:

[(1, 81260100), (2, 40630050), (3, 27086700), (4, 20315025), (5, 16252020), (6, 13543350), (9, 9028900), (10, 8126010), (12, 6771675), (15, 5417340), (18, 4514450), (20, 4063005), (25, 3250404), (30, 2708670), (36, 2257225), (45, 1805780), (50, 1625202), (60, 1354335), (75, 1083468), (90, 902890), (100, 812601), (150, 541734), (180, 451445), (225, 361156), (300, 270867), (450, 180578), (900, 90289)]