1625580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 5385744

約数和(自身を除く): 3760164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 821, 990, 1642, 1980, 2463, 3284, 4105, 4926, 7389, 8210, 9031, 9852, 12315, 14778, 16420, 18062, 24630, 27093, 29556, 36124, 36945, 45155, 49260, 54186, 73890, 81279, 90310, 108372, 135465, 147780, 162558, 180620, 270930, 325116, 406395, 541860, 812790, 1625580]

約数ペア:

[(1, 1625580), (2, 812790), (3, 541860), (4, 406395), (5, 325116), (6, 270930), (9, 180620), (10, 162558), (11, 147780), (12, 135465), (15, 108372), (18, 90310), (20, 81279), (22, 73890), (30, 54186), (33, 49260), (36, 45155), (44, 36945), (45, 36124), (55, 29556), (60, 27093), (66, 24630), (90, 18062), (99, 16420), (110, 14778), (132, 12315), (165, 9852), (180, 9031), (198, 8210), (220, 7389), (330, 4926), (396, 4105), (495, 3284), (660, 2463), (821, 1980), (990, 1642)]