1377280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{269}}^1$

素因数の和:294

約数の個数: 44

約数和(自身を含む): 3316140

約数和(自身を除く): 1938860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 512, 538, 640, 1024, 1076, 1280, 1345, 2152, 2560, 2690, 4304, 5120, 5380, 8608, 10760, 17216, 21520, 34432, 43040, 68864, 86080, 137728, 172160, 275456, 344320, 688640, 1377280]

約数ペア:

[(1, 1377280), (2, 688640), (4, 344320), (5, 275456), (8, 172160), (10, 137728), (16, 86080), (20, 68864), (32, 43040), (40, 34432), (64, 21520), (80, 17216), (128, 10760), (160, 8608), (256, 5380), (269, 5120), (320, 4304), (512, 2690), (538, 2560), (640, 2152), (1024, 1345), (1076, 1280)]