1271310080

素因数分解:

$2^8\times 5^1\times {\mathrm{993211}}^1$

素因数の和:993232

約数の個数: 36

約数和(自身を含む): 3045187992

約数和(自身を除く): 1773877912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 993211, 1986422, 3972844, 4966055, 7945688, 9932110, 15891376, 19864220, 31782752, 39728440, 63565504, 79456880, 127131008, 158913760, 254262016, 317827520, 635655040, 1271310080]

約数ペア:

[(1, 1271310080), (2, 635655040), (4, 317827520), (5, 254262016), (8, 158913760), (10, 127131008), (16, 79456880), (20, 63565504), (32, 39728440), (40, 31782752), (64, 19864220), (80, 15891376), (128, 9932110), (160, 7945688), (256, 4966055), (320, 3972844), (640, 1986422), (1280, 993211)]