77661920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69341}}^1$

素因数の和:69363

約数の個数: 48

約数和(自身を含む): 209690208

約数和(自身を除く): 132028288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69341, 138682, 277364, 346705, 485387, 554728, 693410, 970774, 1109456, 1386820, 1941548, 2218912, 2426935, 2773640, 3883096, 4853870, 5547280, 7766192, 9707740, 11094560, 15532384, 19415480, 38830960, 77661920]

約数ペア:

[(1, 77661920), (2, 38830960), (4, 19415480), (5, 15532384), (7, 11094560), (8, 9707740), (10, 7766192), (14, 5547280), (16, 4853870), (20, 3883096), (28, 2773640), (32, 2426935), (35, 2218912), (40, 1941548), (56, 1386820), (70, 1109456), (80, 970774), (112, 693410), (140, 554728), (160, 485387), (224, 346705), (280, 277364), (560, 138682), (1120, 69341)]