1981800

素因数分解:

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

素因数の和:392

約数の個数: 96

約数和(自身を含む): 6844800

約数和(自身を除く): 4863000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 135, 150, 180, 200, 216, 225, 270, 300, 360, 367, 450, 540, 600, 675, 734, 900, 1080, 1101, 1350, 1468, 1800, 1835, 2202, 2700, 2936, 3303, 3670, 4404, 5400, 5505, 6606, 7340, 8808, 9175, 9909, 11010, 13212, 14680, 16515, 18350, 19818, 22020, 26424, 27525, 33030, 36700, 39636, 44040, 49545, 55050, 66060, 73400, 79272, 82575, 99090, 110100, 132120, 165150, 198180, 220200, 247725, 330300, 396360, 495450, 660600, 990900, 1981800]

約数ペア:

[(1, 1981800), (2, 990900), (3, 660600), (4, 495450), (5, 396360), (6, 330300), (8, 247725), (9, 220200), (10, 198180), (12, 165150), (15, 132120), (18, 110100), (20, 99090), (24, 82575), (25, 79272), (27, 73400), (30, 66060), (36, 55050), (40, 49545), (45, 44040), (50, 39636), (54, 36700), (60, 33030), (72, 27525), (75, 26424), (90, 22020), (100, 19818), (108, 18350), (120, 16515), (135, 14680), (150, 13212), (180, 11010), (200, 9909), (216, 9175), (225, 8808), (270, 7340), (300, 6606), (360, 5505), (367, 5400), (450, 4404), (540, 3670), (600, 3303), (675, 2936), (734, 2700), (900, 2202), (1080, 1835), (1101, 1800), (1350, 1468)]