12991560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{108263}}^1$

素因数の和:108277

約数の個数: 32

約数和(自身を含む): 38975040

約数和(自身を除く): 25983480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 108263, 216526, 324789, 433052, 541315, 649578, 866104, 1082630, 1299156, 1623945, 2165260, 2598312, 3247890, 4330520, 6495780, 12991560]

約数ペア:

[(1, 12991560), (2, 6495780), (3, 4330520), (4, 3247890), (5, 2598312), (6, 2165260), (8, 1623945), (10, 1299156), (12, 1082630), (15, 866104), (20, 649578), (24, 541315), (30, 433052), (40, 324789), (60, 216526), (120, 108263)]