166168520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1451}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 428630400

約数和(自身を除く): 262461880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 818, 1451, 1636, 2045, 2863, 2902, 3272, 4090, 5726, 5804, 7255, 8180, 10157, 11452, 11608, 14315, 14510, 16360, 20314, 22904, 28630, 29020, 40628, 50785, 57260, 58040, 81256, 101570, 114520, 203140, 406280, 593459, 1186918, 2373836, 2967295, 4154213, 4747672, 5934590, 8308426, 11869180, 16616852, 20771065, 23738360, 33233704, 41542130, 83084260, 166168520]

約数ペア:

[(1, 166168520), (2, 83084260), (4, 41542130), (5, 33233704), (7, 23738360), (8, 20771065), (10, 16616852), (14, 11869180), (20, 8308426), (28, 5934590), (35, 4747672), (40, 4154213), (56, 2967295), (70, 2373836), (140, 1186918), (280, 593459), (409, 406280), (818, 203140), (1451, 114520), (1636, 101570), (2045, 81256), (2863, 58040), (2902, 57260), (3272, 50785), (4090, 40628), (5726, 29020), (5804, 28630), (7255, 22904), (8180, 20314), (10157, 16360), (11452, 14510), (11608, 14315)]