79736720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20341}}^1$

素因数の和:20368

約数の個数: 60

約数和(自身を含む): 215665884

約数和(自身を除く): 135929164

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20341, 40682, 81364, 101705, 142387, 162728, 203410, 284774, 325456, 406820, 569548, 711935, 813640, 996709, 1139096, 1423870, 1627280, 1993418, 2278192, 2847740, 3986836, 4983545, 5695480, 7973672, 9967090, 11390960, 15947344, 19934180, 39868360, 79736720]

約数ペア:

[(1, 79736720), (2, 39868360), (4, 19934180), (5, 15947344), (7, 11390960), (8, 9967090), (10, 7973672), (14, 5695480), (16, 4983545), (20, 3986836), (28, 2847740), (35, 2278192), (40, 1993418), (49, 1627280), (56, 1423870), (70, 1139096), (80, 996709), (98, 813640), (112, 711935), (140, 569548), (196, 406820), (245, 325456), (280, 284774), (392, 203410), (490, 162728), (560, 142387), (784, 101705), (980, 81364), (1960, 40682), (3920, 20341)]