80647920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37337}}^1$

素因数の和:37359

約数の個数: 80

約数和(自身を含む): 277794720

約数和(自身を除く): 197146800

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, 720, 1080, 2160, 37337, 74674, 112011, 149348, 186685, 224022, 298696, 336033, 373370, 448044, 560055, 597392, 672066, 746740, 896088, 1008099, 1120110, 1344132, 1493480, 1680165, 1792176, 2016198, 2240220, 2688264, 2986960, 3360330, 4032396, 4480440, 5040495, 5376528, 6720660, 8064792, 8960880, 10080990, 13441320, 16129584, 20161980, 26882640, 40323960, 80647920]

約数ペア:

[(1, 80647920), (2, 40323960), (3, 26882640), (4, 20161980), (5, 16129584), (6, 13441320), (8, 10080990), (9, 8960880), (10, 8064792), (12, 6720660), (15, 5376528), (16, 5040495), (18, 4480440), (20, 4032396), (24, 3360330), (27, 2986960), (30, 2688264), (36, 2240220), (40, 2016198), (45, 1792176), (48, 1680165), (54, 1493480), (60, 1344132), (72, 1120110), (80, 1008099), (90, 896088), (108, 746740), (120, 672066), (135, 597392), (144, 560055), (180, 448044), (216, 373370), (240, 336033), (270, 298696), (360, 224022), (432, 186685), (540, 149348), (720, 112011), (1080, 74674), (2160, 37337)]