6461560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 17003520

約数和(自身を除く): 10541960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 491, 658, 940, 982, 1316, 1645, 1880, 1964, 2455, 2632, 3290, 3437, 3928, 4910, 6580, 6874, 9820, 13160, 13748, 17185, 19640, 23077, 27496, 34370, 46154, 68740, 92308, 115385, 137480, 161539, 184616, 230770, 323078, 461540, 646156, 807695, 923080, 1292312, 1615390, 3230780, 6461560]

約数ペア:

[(1, 6461560), (2, 3230780), (4, 1615390), (5, 1292312), (7, 923080), (8, 807695), (10, 646156), (14, 461540), (20, 323078), (28, 230770), (35, 184616), (40, 161539), (47, 137480), (56, 115385), (70, 92308), (94, 68740), (140, 46154), (188, 34370), (235, 27496), (280, 23077), (329, 19640), (376, 17185), (470, 13748), (491, 13160), (658, 9820), (940, 6874), (982, 6580), (1316, 4910), (1645, 3928), (1880, 3437), (1964, 3290), (2455, 2632)]