65的因数有哪些,六十一至八十的因数有哪些？
摘要答61:1,61,62:1,2,31,62,63:1,3,7,9,21,63,64:1,2,4,8,16,32,64,65:1,5,13,65,66:1,2,3,6,11,22,33,66,67:1,
答61:1,61,
62:1,2,31,62,
63:1,3,7,9,21,63,
64:1,2,4,8,16,32,64,
65:1,5,13,65,
66:1,2,3,6,11,22,33,66,
67:1,67,
68:1,2,4,17,34,68,
69:1,3,23,69,
70:1,2,5,7,10,14,35,70,
71:1,71,
72:1,2,3,4,6,8,9,12,18,24,36,72,
73:1,73,
74:1,2,37,74,
75:1,3,5,15,25,75,
76:1,2,4,19,38,76,
77:1,7,11,77,
78:1,2,3,6,13,26,39,78,
79:1,79,
80:1,2,4,5,8,10,16,20,40,80,
