320245920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{74131}}^1$

素因数の和:74155

約数の個数: 96

約数和(自身を含む): 1120875840

約数和(自身を除く): 800629920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 74131, 148262, 222393, 296524, 370655, 444786, 593048, 667179, 741310, 889572, 1111965, 1186096, 1334358, 1482620, 1779144, 2001537, 2223930, 2372192, 2668716, 2965240, 3335895, 3558288, 4003074, 4447860, 5337432, 5930480, 6671790, 7116576, 8006148, 8895720, 10007685, 10674864, 11860960, 13343580, 16012296, 17791440, 20015370, 21349728, 26687160, 32024592, 35582880, 40030740, 53374320, 64049184, 80061480, 106748640, 160122960, 320245920]

約数ペア:

[(1, 320245920), (2, 160122960), (3, 106748640), (4, 80061480), (5, 64049184), (6, 53374320), (8, 40030740), (9, 35582880), (10, 32024592), (12, 26687160), (15, 21349728), (16, 20015370), (18, 17791440), (20, 16012296), (24, 13343580), (27, 11860960), (30, 10674864), (32, 10007685), (36, 8895720), (40, 8006148), (45, 7116576), (48, 6671790), (54, 5930480), (60, 5337432), (72, 4447860), (80, 4003074), (90, 3558288), (96, 3335895), (108, 2965240), (120, 2668716), (135, 2372192), (144, 2223930), (160, 2001537), (180, 1779144), (216, 1482620), (240, 1334358), (270, 1186096), (288, 1111965), (360, 889572), (432, 741310), (480, 667179), (540, 593048), (720, 444786), (864, 370655), (1080, 296524), (1440, 222393), (2160, 148262), (4320, 74131)]