257796480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{134269}}^1$

素因数の和:134291

約数の個数: 64

約数和(自身を含む): 821732400

約数和(自身を除く): 563935920

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, 320, 384, 480, 640, 960, 1920, 134269, 268538, 402807, 537076, 671345, 805614, 1074152, 1342690, 1611228, 2014035, 2148304, 2685380, 3222456, 4028070, 4296608, 5370760, 6444912, 8056140, 8593216, 10741520, 12889824, 16112280, 17186432, 21483040, 25779648, 32224560, 42966080, 51559296, 64449120, 85932160, 128898240, 257796480]

約数ペア:

[(1, 257796480), (2, 128898240), (3, 85932160), (4, 64449120), (5, 51559296), (6, 42966080), (8, 32224560), (10, 25779648), (12, 21483040), (15, 17186432), (16, 16112280), (20, 12889824), (24, 10741520), (30, 8593216), (32, 8056140), (40, 6444912), (48, 5370760), (60, 4296608), (64, 4028070), (80, 3222456), (96, 2685380), (120, 2148304), (128, 2014035), (160, 1611228), (192, 1342690), (240, 1074152), (320, 805614), (384, 671345), (480, 537076), (640, 402807), (960, 268538), (1920, 134269)]