54687990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{260419}}^1$

素因数の和:260436

約数の個数: 32

約数和(自身を含む): 150001920

約数和(自身を除く): 95313930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 260419, 520838, 781257, 1302095, 1562514, 1822933, 2604190, 3645866, 3906285, 5468799, 7812570, 9114665, 10937598, 18229330, 27343995, 54687990]

約数ペア:

[(1, 54687990), (2, 27343995), (3, 18229330), (5, 10937598), (6, 9114665), (7, 7812570), (10, 5468799), (14, 3906285), (15, 3645866), (21, 2604190), (30, 1822933), (35, 1562514), (42, 1302095), (70, 781257), (105, 520838), (210, 260419)]