2861340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 8107008

約数和(自身を除く): 5245668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 463, 515, 618, 926, 1030, 1236, 1389, 1545, 1852, 2060, 2315, 2778, 3090, 4630, 5556, 6180, 6945, 9260, 13890, 27780, 47689, 95378, 143067, 190756, 238445, 286134, 476890, 572268, 715335, 953780, 1430670, 2861340]

約数ペア:

[(1, 2861340), (2, 1430670), (3, 953780), (4, 715335), (5, 572268), (6, 476890), (10, 286134), (12, 238445), (15, 190756), (20, 143067), (30, 95378), (60, 47689), (103, 27780), (206, 13890), (309, 9260), (412, 6945), (463, 6180), (515, 5556), (618, 4630), (926, 3090), (1030, 2778), (1236, 2315), (1389, 2060), (1545, 1852)]