320090120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4127}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 826260480

約数和(自身を除く): 506170360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 1108, 1385, 1939, 2216, 2770, 3878, 4127, 5540, 7756, 8254, 9695, 11080, 15512, 16508, 19390, 20635, 28889, 33016, 38780, 41270, 57778, 77560, 82540, 115556, 144445, 165080, 231112, 288890, 577780, 1143179, 1155560, 2286358, 4572716, 5715895, 8002253, 9145432, 11431790, 16004506, 22863580, 32009012, 40011265, 45727160, 64018024, 80022530, 160045060, 320090120]

約数ペア:

[(1, 320090120), (2, 160045060), (4, 80022530), (5, 64018024), (7, 45727160), (8, 40011265), (10, 32009012), (14, 22863580), (20, 16004506), (28, 11431790), (35, 9145432), (40, 8002253), (56, 5715895), (70, 4572716), (140, 2286358), (277, 1155560), (280, 1143179), (554, 577780), (1108, 288890), (1385, 231112), (1939, 165080), (2216, 144445), (2770, 115556), (3878, 82540), (4127, 77560), (5540, 57778), (7756, 41270), (8254, 38780), (9695, 33016), (11080, 28889), (15512, 20635), (16508, 19390)]