71089280

素因数分解:

$2^7\times 5^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 170986680

約数和(自身を除く): 99897400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 277, 320, 401, 554, 640, 802, 1108, 1385, 1604, 2005, 2216, 2770, 3208, 4010, 4432, 5540, 6416, 8020, 8864, 11080, 12832, 16040, 17728, 22160, 25664, 32080, 35456, 44320, 51328, 64160, 88640, 111077, 128320, 177280, 222154, 256640, 444308, 555385, 888616, 1110770, 1777232, 2221540, 3554464, 4443080, 7108928, 8886160, 14217856, 17772320, 35544640, 71089280]

約数ペア:

[(1, 71089280), (2, 35544640), (4, 17772320), (5, 14217856), (8, 8886160), (10, 7108928), (16, 4443080), (20, 3554464), (32, 2221540), (40, 1777232), (64, 1110770), (80, 888616), (128, 555385), (160, 444308), (277, 256640), (320, 222154), (401, 177280), (554, 128320), (640, 111077), (802, 88640), (1108, 64160), (1385, 51328), (1604, 44320), (2005, 35456), (2216, 32080), (2770, 25664), (3208, 22160), (4010, 17728), (4432, 16040), (5540, 12832), (6416, 11080), (8020, 8864)]