165728000

素因数分解:

$2^8\times 5^3\times {\mathrm{5179}}^1$

素因数の和:5210

約数の個数: 72

約数和(自身を含む): 412928880

約数和(自身を除く): 247200880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 5179, 6400, 8000, 10358, 16000, 20716, 25895, 32000, 41432, 51790, 82864, 103580, 129475, 165728, 207160, 258950, 331456, 414320, 517900, 647375, 662912, 828640, 1035800, 1294750, 1325824, 1657280, 2071600, 2589500, 3314560, 4143200, 5179000, 6629120, 8286400, 10358000, 16572800, 20716000, 33145600, 41432000, 82864000, 165728000]

約数ペア:

[(1, 165728000), (2, 82864000), (4, 41432000), (5, 33145600), (8, 20716000), (10, 16572800), (16, 10358000), (20, 8286400), (25, 6629120), (32, 5179000), (40, 4143200), (50, 3314560), (64, 2589500), (80, 2071600), (100, 1657280), (125, 1325824), (128, 1294750), (160, 1035800), (200, 828640), (250, 662912), (256, 647375), (320, 517900), (400, 414320), (500, 331456), (640, 258950), (800, 207160), (1000, 165728), (1280, 129475), (1600, 103580), (2000, 82864), (3200, 51790), (4000, 41432), (5179, 32000), (6400, 25895), (8000, 20716), (10358, 16000)]