81109800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45061}}^1$

素因数の和:45083

約数の個数: 72

約数和(自身を含む): 272399790

約数和(自身を除く): 191289990

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45061, 90122, 135183, 180244, 225305, 270366, 360488, 405549, 450610, 540732, 675915, 811098, 901220, 1081464, 1126525, 1351830, 1622196, 1802440, 2027745, 2253050, 2703660, 3244392, 3379575, 4055490, 4506100, 5407320, 6759150, 8110980, 9012200, 10138725, 13518300, 16221960, 20277450, 27036600, 40554900, 81109800]

約数ペア:

[(1, 81109800), (2, 40554900), (3, 27036600), (4, 20277450), (5, 16221960), (6, 13518300), (8, 10138725), (9, 9012200), (10, 8110980), (12, 6759150), (15, 5407320), (18, 4506100), (20, 4055490), (24, 3379575), (25, 3244392), (30, 2703660), (36, 2253050), (40, 2027745), (45, 1802440), (50, 1622196), (60, 1351830), (72, 1126525), (75, 1081464), (90, 901220), (100, 811098), (120, 675915), (150, 540732), (180, 450610), (200, 405549), (225, 360488), (300, 270366), (360, 225305), (450, 180244), (600, 135183), (900, 90122), (1800, 45061)]