279278080

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1009

約数の個数: 80

約数和(自身を含む): 675671040

約数和(自身を除く): 396392960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 859, 1016, 1270, 1280, 1718, 2032, 2540, 2560, 3436, 4064, 4295, 5080, 6872, 8128, 8590, 10160, 13744, 16256, 17180, 20320, 27488, 32512, 34360, 40640, 54976, 65024, 68720, 81280, 109093, 109952, 137440, 162560, 218186, 219904, 274880, 325120, 436372, 439808, 545465, 549760, 872744, 1090930, 1099520, 1745488, 2181860, 2199040, 3490976, 4363720, 6981952, 8727440, 13963904, 17454880, 27927808, 34909760, 55855616, 69819520, 139639040, 279278080]

約数ペア:

[(1, 279278080), (2, 139639040), (4, 69819520), (5, 55855616), (8, 34909760), (10, 27927808), (16, 17454880), (20, 13963904), (32, 8727440), (40, 6981952), (64, 4363720), (80, 3490976), (127, 2199040), (128, 2181860), (160, 1745488), (254, 1099520), (256, 1090930), (320, 872744), (508, 549760), (512, 545465), (635, 439808), (640, 436372), (859, 325120), (1016, 274880), (1270, 219904), (1280, 218186), (1718, 162560), (2032, 137440), (2540, 109952), (2560, 109093), (3436, 81280), (4064, 68720), (4295, 65024), (5080, 54976), (6872, 40640), (8128, 34360), (8590, 32512), (10160, 27488), (13744, 20320), (16256, 17180)]