80436480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20947}}^1$

素因数の和:20971

約数の個数: 72

約数和(自身を含む): 256906272

約数和(自身を除く): 176469792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20947, 41894, 62841, 83788, 104735, 125682, 167576, 209470, 251364, 314205, 335152, 418940, 502728, 628410, 670304, 837880, 1005456, 1256820, 1340608, 1675760, 2010912, 2513640, 2681216, 3351520, 4021824, 5027280, 5362432, 6703040, 8043648, 10054560, 13406080, 16087296, 20109120, 26812160, 40218240, 80436480]

約数ペア:

[(1, 80436480), (2, 40218240), (3, 26812160), (4, 20109120), (5, 16087296), (6, 13406080), (8, 10054560), (10, 8043648), (12, 6703040), (15, 5362432), (16, 5027280), (20, 4021824), (24, 3351520), (30, 2681216), (32, 2513640), (40, 2010912), (48, 1675760), (60, 1340608), (64, 1256820), (80, 1005456), (96, 837880), (120, 670304), (128, 628410), (160, 502728), (192, 418940), (240, 335152), (256, 314205), (320, 251364), (384, 209470), (480, 167576), (640, 125682), (768, 104735), (960, 83788), (1280, 62841), (1920, 41894), (3840, 20947)]