164220560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41893}}^1$

素因数の和:41920

約数の個数: 60

約数和(自身を含む): 444160188

約数和(自身を除く): 279939628

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 41893, 83786, 167572, 209465, 293251, 335144, 418930, 586502, 670288, 837860, 1173004, 1466255, 1675720, 2052757, 2346008, 2932510, 3351440, 4105514, 4692016, 5865020, 8211028, 10263785, 11730040, 16422056, 20527570, 23460080, 32844112, 41055140, 82110280, 164220560]

約数ペア:

[(1, 164220560), (2, 82110280), (4, 41055140), (5, 32844112), (7, 23460080), (8, 20527570), (10, 16422056), (14, 11730040), (16, 10263785), (20, 8211028), (28, 5865020), (35, 4692016), (40, 4105514), (49, 3351440), (56, 2932510), (70, 2346008), (80, 2052757), (98, 1675720), (112, 1466255), (140, 1173004), (196, 837860), (245, 670288), (280, 586502), (392, 418930), (490, 335144), (560, 293251), (784, 209465), (980, 167572), (1960, 83786), (3920, 41893)]