77261640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643847}}^1$

素因数の和:643861

約数の個数: 32

約数和(自身を含む): 231785280

約数和(自身を除く): 154523640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643847, 1287694, 1931541, 2575388, 3219235, 3863082, 5150776, 6438470, 7726164, 9657705, 12876940, 15452328, 19315410, 25753880, 38630820, 77261640]

約数ペア:

[(1, 77261640), (2, 38630820), (3, 25753880), (4, 19315410), (5, 15452328), (6, 12876940), (8, 9657705), (10, 7726164), (12, 6438470), (15, 5150776), (20, 3863082), (24, 3219235), (30, 2575388), (40, 1931541), (60, 1287694), (120, 643847)]