2680680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 8164800

約数和(自身を除く): 5484120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 251, 267, 356, 445, 502, 534, 712, 753, 890, 1004, 1068, 1255, 1335, 1506, 1780, 2008, 2136, 2510, 2670, 3012, 3560, 3765, 5020, 5340, 6024, 7530, 10040, 10680, 15060, 22339, 30120, 44678, 67017, 89356, 111695, 134034, 178712, 223390, 268068, 335085, 446780, 536136, 670170, 893560, 1340340, 2680680]

約数ペア:

[(1, 2680680), (2, 1340340), (3, 893560), (4, 670170), (5, 536136), (6, 446780), (8, 335085), (10, 268068), (12, 223390), (15, 178712), (20, 134034), (24, 111695), (30, 89356), (40, 67017), (60, 44678), (89, 30120), (120, 22339), (178, 15060), (251, 10680), (267, 10040), (356, 7530), (445, 6024), (502, 5340), (534, 5020), (712, 3765), (753, 3560), (890, 3012), (1004, 2670), (1068, 2510), (1255, 2136), (1335, 2008), (1506, 1780)]