1557156942080

素因数分解:

$2^8\times 5^1\times {\mathrm{1216528861}}^1$

素因数の和:1216528882

約数の個数: 36

約数和(自身を含む): 3729877490892

約数和(自身を除く): 2172720548812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1216528861, 2433057722, 4866115444, 6082644305, 9732230888, 12165288610, 19464461776, 24330577220, 38928923552, 48661154440, 77857847104, 97322308880, 155715694208, 194644617760, 311431388416, 389289235520, 778578471040, 1557156942080]

約数ペア:

[(1, 1557156942080), (2, 778578471040), (4, 389289235520), (5, 311431388416), (8, 194644617760), (10, 155715694208), (16, 97322308880), (20, 77857847104), (32, 48661154440), (40, 38928923552), (64, 24330577220), (80, 19464461776), (128, 12165288610), (160, 9732230888), (256, 6082644305), (320, 4866115444), (640, 2433057722), (1280, 1216528861)]