161349440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{72031}}^1$

素因数の和:72055

約数の個数: 56

約数和(自身を含む): 439107072

約数和(自身を除く): 277757632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 72031, 144062, 288124, 360155, 504217, 576248, 720310, 1008434, 1152496, 1440620, 2016868, 2304992, 2521085, 2881240, 4033736, 4609984, 5042170, 5762480, 8067472, 10084340, 11524960, 16134944, 20168680, 23049920, 32269888, 40337360, 80674720, 161349440]

約数ペア:

[(1, 161349440), (2, 80674720), (4, 40337360), (5, 32269888), (7, 23049920), (8, 20168680), (10, 16134944), (14, 11524960), (16, 10084340), (20, 8067472), (28, 5762480), (32, 5042170), (35, 4609984), (40, 4033736), (56, 2881240), (64, 2521085), (70, 2304992), (80, 2016868), (112, 1440620), (140, 1152496), (160, 1008434), (224, 720310), (280, 576248), (320, 504217), (448, 360155), (560, 288124), (1120, 144062), (2240, 72031)]