66639780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123407}}^1$

素因数の和:123425

約数の個数: 48

約数和(自身を含む): 207325440

約数和(自身を除く): 140685660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123407, 246814, 370221, 493628, 617035, 740442, 1110663, 1234070, 1480884, 1851105, 2221326, 2468140, 3331989, 3702210, 4442652, 5553315, 6663978, 7404420, 11106630, 13327956, 16659945, 22213260, 33319890, 66639780]

約数ペア:

[(1, 66639780), (2, 33319890), (3, 22213260), (4, 16659945), (5, 13327956), (6, 11106630), (9, 7404420), (10, 6663978), (12, 5553315), (15, 4442652), (18, 3702210), (20, 3331989), (27, 2468140), (30, 2221326), (36, 1851105), (45, 1480884), (54, 1234070), (60, 1110663), (90, 740442), (108, 617035), (135, 493628), (180, 370221), (270, 246814), (540, 123407)]