255217280

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3529}}^1$

素因数の和:3661

約数の個数: 64

約数和(自身を含む): 615702600

約数和(自身を除く): 360485320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1130, 1808, 2260, 3529, 3616, 4520, 7058, 7232, 9040, 14116, 14464, 17645, 18080, 28232, 35290, 36160, 56464, 70580, 72320, 112928, 141160, 225856, 282320, 398777, 451712, 564640, 797554, 1129280, 1595108, 1993885, 2258560, 3190216, 3987770, 6380432, 7975540, 12760864, 15951080, 25521728, 31902160, 51043456, 63804320, 127608640, 255217280]

約数ペア:

[(1, 255217280), (2, 127608640), (4, 63804320), (5, 51043456), (8, 31902160), (10, 25521728), (16, 15951080), (20, 12760864), (32, 7975540), (40, 6380432), (64, 3987770), (80, 3190216), (113, 2258560), (128, 1993885), (160, 1595108), (226, 1129280), (320, 797554), (452, 564640), (565, 451712), (640, 398777), (904, 282320), (1130, 225856), (1808, 141160), (2260, 112928), (3529, 72320), (3616, 70580), (4520, 56464), (7058, 36160), (7232, 35290), (9040, 28232), (14116, 18080), (14464, 17645)]