66634960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 178131456

約数和(自身を除く): 111496496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 463, 514, 560, 926, 1028, 1285, 1799, 1852, 2056, 2315, 2570, 3241, 3598, 3704, 4112, 4630, 5140, 6482, 7196, 7408, 8995, 9260, 10280, 12964, 14392, 16205, 17990, 18520, 20560, 25928, 28784, 32410, 35980, 37040, 51856, 64820, 71960, 118991, 129640, 143920, 237982, 259280, 475964, 594955, 832937, 951928, 1189910, 1665874, 1903856, 2379820, 3331748, 4164685, 4759640, 6663496, 8329370, 9519280, 13326992, 16658740, 33317480, 66634960]

約数ペア:

[(1, 66634960), (2, 33317480), (4, 16658740), (5, 13326992), (7, 9519280), (8, 8329370), (10, 6663496), (14, 4759640), (16, 4164685), (20, 3331748), (28, 2379820), (35, 1903856), (40, 1665874), (56, 1189910), (70, 951928), (80, 832937), (112, 594955), (140, 475964), (257, 259280), (280, 237982), (463, 143920), (514, 129640), (560, 118991), (926, 71960), (1028, 64820), (1285, 51856), (1799, 37040), (1852, 35980), (2056, 32410), (2315, 28784), (2570, 25928), (3241, 20560), (3598, 18520), (3704, 17990), (4112, 16205), (4630, 14392), (5140, 12964), (6482, 10280), (7196, 9260), (7408, 8995)]