6538640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 15952476

約数和(自身を除く): 9413836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 148, 185, 188, 235, 296, 370, 376, 470, 592, 740, 752, 940, 1480, 1739, 1880, 2209, 2960, 3478, 3760, 4418, 6956, 8695, 8836, 11045, 13912, 17390, 17672, 22090, 27824, 34780, 35344, 44180, 69560, 81733, 88360, 139120, 163466, 176720, 326932, 408665, 653864, 817330, 1307728, 1634660, 3269320, 6538640]

約数ペア:

[(1, 6538640), (2, 3269320), (4, 1634660), (5, 1307728), (8, 817330), (10, 653864), (16, 408665), (20, 326932), (37, 176720), (40, 163466), (47, 139120), (74, 88360), (80, 81733), (94, 69560), (148, 44180), (185, 35344), (188, 34780), (235, 27824), (296, 22090), (370, 17672), (376, 17390), (470, 13912), (592, 11045), (740, 8836), (752, 8695), (940, 6956), (1480, 4418), (1739, 3760), (1880, 3478), (2209, 2960)]