81415560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678463}}^1$

素因数の和:678477

約数の個数: 32

約数和(自身を含む): 244247040

約数和(自身を除く): 162831480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678463, 1356926, 2035389, 2713852, 3392315, 4070778, 5427704, 6784630, 8141556, 10176945, 13569260, 16283112, 20353890, 27138520, 40707780, 81415560]

約数ペア:

[(1, 81415560), (2, 40707780), (3, 27138520), (4, 20353890), (5, 16283112), (6, 13569260), (8, 10176945), (10, 8141556), (12, 6784630), (15, 5427704), (20, 4070778), (24, 3392315), (30, 2713852), (40, 2035389), (60, 1356926), (120, 678463)]