314721280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61469}}^1$

素因数の和:61494

約数の個数: 44

約数和(自身を含む): 754974540

約数和(自身を除く): 440253260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 61469, 122938, 245876, 307345, 491752, 614690, 983504, 1229380, 1967008, 2458760, 3934016, 4917520, 7868032, 9835040, 15736064, 19670080, 31472128, 39340160, 62944256, 78680320, 157360640, 314721280]

約数ペア:

[(1, 314721280), (2, 157360640), (4, 78680320), (5, 62944256), (8, 39340160), (10, 31472128), (16, 19670080), (20, 15736064), (32, 9835040), (40, 7868032), (64, 4917520), (80, 3934016), (128, 2458760), (160, 1967008), (256, 1229380), (320, 983504), (512, 614690), (640, 491752), (1024, 307345), (1280, 245876), (2560, 122938), (5120, 61469)]