15978840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{133157}}^1$

素因数の和:133171

約数の個数: 32

約数和(自身を含む): 47936880

約数和(自身を除く): 31958040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 133157, 266314, 399471, 532628, 665785, 798942, 1065256, 1331570, 1597884, 1997355, 2663140, 3195768, 3994710, 5326280, 7989420, 15978840]

約数ペア:

[(1, 15978840), (2, 7989420), (3, 5326280), (4, 3994710), (5, 3195768), (6, 2663140), (8, 1997355), (10, 1597884), (12, 1331570), (15, 1065256), (20, 798942), (24, 665785), (30, 532628), (40, 399471), (60, 266314), (120, 133157)]