1280880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{593}}^1$

素因数の和:615

約数の個数: 80

約数和(自身を含む): 4419360

約数和(自身を除く): 3138480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 593, 720, 1080, 1186, 1779, 2160, 2372, 2965, 3558, 4744, 5337, 5930, 7116, 8895, 9488, 10674, 11860, 14232, 16011, 17790, 21348, 23720, 26685, 28464, 32022, 35580, 42696, 47440, 53370, 64044, 71160, 80055, 85392, 106740, 128088, 142320, 160110, 213480, 256176, 320220, 426960, 640440, 1280880]

約数ペア:

[(1, 1280880), (2, 640440), (3, 426960), (4, 320220), (5, 256176), (6, 213480), (8, 160110), (9, 142320), (10, 128088), (12, 106740), (15, 85392), (16, 80055), (18, 71160), (20, 64044), (24, 53370), (27, 47440), (30, 42696), (36, 35580), (40, 32022), (45, 28464), (48, 26685), (54, 23720), (60, 21348), (72, 17790), (80, 16011), (90, 14232), (108, 11860), (120, 10674), (135, 9488), (144, 8895), (180, 7116), (216, 5930), (240, 5337), (270, 4744), (360, 3558), (432, 2965), (540, 2372), (593, 2160), (720, 1779), (1080, 1186)]