81333900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90371}}^1$

素因数の和:90391

約数の個数: 54

約数和(自身を含む): 254939412

約数和(自身を除く): 173605512

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, 90371, 180742, 271113, 361484, 451855, 542226, 813339, 903710, 1084452, 1355565, 1626678, 1807420, 2259275, 2711130, 3253356, 4066695, 4518550, 5422260, 6777825, 8133390, 9037100, 13555650, 16266780, 20333475, 27111300, 40666950, 81333900]

約数ペア:

[(1, 81333900), (2, 40666950), (3, 27111300), (4, 20333475), (5, 16266780), (6, 13555650), (9, 9037100), (10, 8133390), (12, 6777825), (15, 5422260), (18, 4518550), (20, 4066695), (25, 3253356), (30, 2711130), (36, 2259275), (45, 1807420), (50, 1626678), (60, 1355565), (75, 1084452), (90, 903710), (100, 813339), (150, 542226), (180, 451855), (225, 361484), (300, 271113), (450, 180742), (900, 90371)]