31890840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{265757}}^1$

素因数の和:265771

約数の個数: 32

約数和(自身を含む): 95672880

約数和(自身を除く): 63782040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 265757, 531514, 797271, 1063028, 1328785, 1594542, 2126056, 2657570, 3189084, 3986355, 5315140, 6378168, 7972710, 10630280, 15945420, 31890840]

約数ペア:

[(1, 31890840), (2, 15945420), (3, 10630280), (4, 7972710), (5, 6378168), (6, 5315140), (8, 3986355), (10, 3189084), (12, 2657570), (15, 2126056), (20, 1594542), (24, 1328785), (30, 1063028), (40, 797271), (60, 531514), (120, 265757)]