1279261320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{10660511}}^1$

素因数の和:10660525

約数の個数: 32

約数和(自身を含む): 3837784320

約数和(自身を除く): 2558523000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10660511, 21321022, 31981533, 42642044, 53302555, 63963066, 85284088, 106605110, 127926132, 159907665, 213210220, 255852264, 319815330, 426420440, 639630660, 1279261320]

約数ペア:

[(1, 1279261320), (2, 639630660), (3, 426420440), (4, 319815330), (5, 255852264), (6, 213210220), (8, 159907665), (10, 127926132), (12, 106605110), (15, 85284088), (20, 63963066), (24, 53302555), (30, 42642044), (40, 31981533), (60, 21321022), (120, 10660511)]