1957765960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{2153}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 4466534400

約数和(自身を除く): 2508768440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 179, 254, 358, 508, 635, 716, 895, 1016, 1270, 1432, 1790, 2153, 2540, 3580, 4306, 5080, 7160, 8612, 10765, 17224, 21530, 22733, 43060, 45466, 86120, 90932, 113665, 181864, 227330, 273431, 385387, 454660, 546862, 770774, 909320, 1093724, 1367155, 1541548, 1926935, 2187448, 2734310, 3083096, 3853870, 5468620, 7707740, 10937240, 15415480, 48944149, 97888298, 195776596, 244720745, 391553192, 489441490, 978882980, 1957765960]

約数ペア:

[(1, 1957765960), (2, 978882980), (4, 489441490), (5, 391553192), (8, 244720745), (10, 195776596), (20, 97888298), (40, 48944149), (127, 15415480), (179, 10937240), (254, 7707740), (358, 5468620), (508, 3853870), (635, 3083096), (716, 2734310), (895, 2187448), (1016, 1926935), (1270, 1541548), (1432, 1367155), (1790, 1093724), (2153, 909320), (2540, 770774), (3580, 546862), (4306, 454660), (5080, 385387), (7160, 273431), (8612, 227330), (10765, 181864), (17224, 113665), (21530, 90932), (22733, 86120), (43060, 45466)]