2020642455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1759}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 3590737920

約数和(自身を除く): 1570095465

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 137, 195, 215, 411, 559, 645, 685, 1677, 1759, 1781, 2055, 2795, 5277, 5343, 5891, 8385, 8795, 8905, 17673, 22867, 26385, 26715, 29455, 68601, 75637, 76583, 88365, 114335, 226911, 229749, 240983, 343005, 378185, 382915, 722949, 983281, 1134555, 1148745, 1204915, 2949843, 3132779, 3614745, 4916405, 9398337, 10362269, 14749215, 15663895, 31086807, 46991685, 51811345, 134709497, 155434035, 404128491, 673547485, 2020642455]

約数ペア:

[(1, 2020642455), (3, 673547485), (5, 404128491), (13, 155434035), (15, 134709497), (39, 51811345), (43, 46991685), (65, 31086807), (129, 15663895), (137, 14749215), (195, 10362269), (215, 9398337), (411, 4916405), (559, 3614745), (645, 3132779), (685, 2949843), (1677, 1204915), (1759, 1148745), (1781, 1134555), (2055, 983281), (2795, 722949), (5277, 382915), (5343, 378185), (5891, 343005), (8385, 240983), (8795, 229749), (8905, 226911), (17673, 114335), (22867, 88365), (26385, 76583), (26715, 75637), (29455, 68601)]