78940560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328919}}^1$

素因数の和:328935

約数の個数: 40

約数和(自身を含む): 244716480

約数和(自身を除く): 165775920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328919, 657838, 986757, 1315676, 1644595, 1973514, 2631352, 3289190, 3947028, 4933785, 5262704, 6578380, 7894056, 9867570, 13156760, 15788112, 19735140, 26313520, 39470280, 78940560]

約数ペア:

[(1, 78940560), (2, 39470280), (3, 26313520), (4, 19735140), (5, 15788112), (6, 13156760), (8, 9867570), (10, 7894056), (12, 6578380), (15, 5262704), (16, 4933785), (20, 3947028), (24, 3289190), (30, 2631352), (40, 1973514), (48, 1644595), (60, 1315676), (80, 986757), (120, 657838), (240, 328919)]