87107440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6763}}^1$

素因数の和:6806

約数の個数: 80

約数和(自身を含む): 241555968

約数和(自身を除く): 154448528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6763, 12880, 13526, 27052, 33815, 47341, 54104, 67630, 94682, 108208, 135260, 155549, 189364, 236705, 270520, 311098, 378728, 473410, 541040, 622196, 757456, 777745, 946820, 1088843, 1244392, 1555490, 1893640, 2177686, 2488784, 3110980, 3787280, 4355372, 5444215, 6221960, 8710744, 10888430, 12443920, 17421488, 21776860, 43553720, 87107440]

約数ペア:

[(1, 87107440), (2, 43553720), (4, 21776860), (5, 17421488), (7, 12443920), (8, 10888430), (10, 8710744), (14, 6221960), (16, 5444215), (20, 4355372), (23, 3787280), (28, 3110980), (35, 2488784), (40, 2177686), (46, 1893640), (56, 1555490), (70, 1244392), (80, 1088843), (92, 946820), (112, 777745), (115, 757456), (140, 622196), (161, 541040), (184, 473410), (230, 378728), (280, 311098), (322, 270520), (368, 236705), (460, 189364), (560, 155549), (644, 135260), (805, 108208), (920, 94682), (1288, 67630), (1610, 54104), (1840, 47341), (2576, 33815), (3220, 27052), (6440, 13526), (6763, 12880)]