678575340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1256621}}^1$

素因数の和:1256639

約数の個数: 48

約数和(自身を含む): 2111124960

約数和(自身を除く): 1432549620

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, 1256621, 2513242, 3769863, 5026484, 6283105, 7539726, 11309589, 12566210, 15079452, 18849315, 22619178, 25132420, 33928767, 37698630, 45238356, 56547945, 67857534, 75397260, 113095890, 135715068, 169643835, 226191780, 339287670, 678575340]

約数ペア:

[(1, 678575340), (2, 339287670), (3, 226191780), (4, 169643835), (5, 135715068), (6, 113095890), (9, 75397260), (10, 67857534), (12, 56547945), (15, 45238356), (18, 37698630), (20, 33928767), (27, 25132420), (30, 22619178), (36, 18849315), (45, 15079452), (54, 12566210), (60, 11309589), (90, 7539726), (108, 6283105), (135, 5026484), (180, 3769863), (270, 2513242), (540, 1256621)]