61661920

素因数分解:

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

素因数の和:2347

約数の個数: 48

約数和(自身を含む): 146558160

約数和(自身を除く): 84896240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2153, 2864, 3580, 4306, 5728, 7160, 8612, 10765, 14320, 17224, 21530, 28640, 34448, 43060, 68896, 86120, 172240, 344480, 385387, 770774, 1541548, 1926935, 3083096, 3853870, 6166192, 7707740, 12332384, 15415480, 30830960, 61661920]

約数ペア:

[(1, 61661920), (2, 30830960), (4, 15415480), (5, 12332384), (8, 7707740), (10, 6166192), (16, 3853870), (20, 3083096), (32, 1926935), (40, 1541548), (80, 770774), (160, 385387), (179, 344480), (358, 172240), (716, 86120), (895, 68896), (1432, 43060), (1790, 34448), (2153, 28640), (2864, 21530), (3580, 17224), (4306, 14320), (5728, 10765), (7160, 8612)]