1270716800

素因数分解:

$2^7\times 5^2\times {\mathrm{397099}}^1$

素因数の和:397123

約数の個数: 48

約数和(自身を含む): 3139075500

約数和(自身を除く): 1868358700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 397099, 794198, 1588396, 1985495, 3176792, 3970990, 6353584, 7941980, 9927475, 12707168, 15883960, 19854950, 25414336, 31767920, 39709900, 50828672, 63535840, 79419800, 127071680, 158839600, 254143360, 317679200, 635358400, 1270716800]

約数ペア:

[(1, 1270716800), (2, 635358400), (4, 317679200), (5, 254143360), (8, 158839600), (10, 127071680), (16, 79419800), (20, 63535840), (25, 50828672), (32, 39709900), (40, 31767920), (50, 25414336), (64, 19854950), (80, 15883960), (100, 12707168), (128, 9927475), (160, 7941980), (200, 6353584), (320, 3970990), (400, 3176792), (640, 1985495), (800, 1588396), (1600, 794198), (3200, 397099)]