78940920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657841}}^1$

素因数の和:657855

約数の個数: 32

約数和(自身を含む): 236823120

約数和(自身を除く): 157882200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657841, 1315682, 1973523, 2631364, 3289205, 3947046, 5262728, 6578410, 7894092, 9867615, 13156820, 15788184, 19735230, 26313640, 39470460, 78940920]

約数ペア:

[(1, 78940920), (2, 39470460), (3, 26313640), (4, 19735230), (5, 15788184), (6, 13156820), (8, 9867615), (10, 7894092), (12, 6578410), (15, 5262728), (20, 3947046), (24, 3289205), (30, 2631364), (40, 1973523), (60, 1315682), (120, 657841)]