990900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{367}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 3194240

約数和(自身を除く): 2203340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 367, 450, 540, 675, 734, 900, 1101, 1350, 1468, 1835, 2202, 2700, 3303, 3670, 4404, 5505, 6606, 7340, 9175, 9909, 11010, 13212, 16515, 18350, 19818, 22020, 27525, 33030, 36700, 39636, 49545, 55050, 66060, 82575, 99090, 110100, 165150, 198180, 247725, 330300, 495450, 990900]

約数ペア:

[(1, 990900), (2, 495450), (3, 330300), (4, 247725), (5, 198180), (6, 165150), (9, 110100), (10, 99090), (12, 82575), (15, 66060), (18, 55050), (20, 49545), (25, 39636), (27, 36700), (30, 33030), (36, 27525), (45, 22020), (50, 19818), (54, 18350), (60, 16515), (75, 13212), (90, 11010), (100, 9909), (108, 9175), (135, 7340), (150, 6606), (180, 5505), (225, 4404), (270, 3670), (300, 3303), (367, 2700), (450, 2202), (540, 1835), (675, 1468), (734, 1350), (900, 1101)]