689690960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11299}}^1$

素因数の和:11428

約数の個数: 80

約数和(自身を含む): 1849584000

約数和(自身を除く): 1159893040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7630, 8720, 11299, 12208, 15260, 22598, 30520, 45196, 56495, 61040, 79093, 90392, 112990, 158186, 180784, 225980, 316372, 395465, 451960, 632744, 790930, 903920, 1231591, 1265488, 1581860, 2463182, 3163720, 4926364, 6157955, 6327440, 8621137, 9852728, 12315910, 17242274, 19705456, 24631820, 34484548, 43105685, 49263640, 68969096, 86211370, 98527280, 137938192, 172422740, 344845480, 689690960]

約数ペア:

[(1, 689690960), (2, 344845480), (4, 172422740), (5, 137938192), (7, 98527280), (8, 86211370), (10, 68969096), (14, 49263640), (16, 43105685), (20, 34484548), (28, 24631820), (35, 19705456), (40, 17242274), (56, 12315910), (70, 9852728), (80, 8621137), (109, 6327440), (112, 6157955), (140, 4926364), (218, 3163720), (280, 2463182), (436, 1581860), (545, 1265488), (560, 1231591), (763, 903920), (872, 790930), (1090, 632744), (1526, 451960), (1744, 395465), (2180, 316372), (3052, 225980), (3815, 180784), (4360, 158186), (6104, 112990), (7630, 90392), (8720, 79093), (11299, 61040), (12208, 56495), (15260, 45196), (22598, 30520)]