7899538640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{178561}}^1$

素因数の和:178660

約数の個数: 80

約数和(自身を含む): 21256020480

約数和(自身を除く): 13356481840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 44240, 178561, 357122, 714244, 892805, 1249927, 1428488, 1785610, 2499854, 2856976, 3571220, 4999708, 6249635, 7142440, 9999416, 12499270, 14106319, 14284880, 19998832, 24998540, 28212638, 49997080, 56425276, 70531595, 98744233, 99994160, 112850552, 141063190, 197488466, 225701104, 282126380, 394976932, 493721165, 564252760, 789953864, 987442330, 1128505520, 1579907728, 1974884660, 3949769320, 7899538640]

約数ペア:

[(1, 7899538640), (2, 3949769320), (4, 1974884660), (5, 1579907728), (7, 1128505520), (8, 987442330), (10, 789953864), (14, 564252760), (16, 493721165), (20, 394976932), (28, 282126380), (35, 225701104), (40, 197488466), (56, 141063190), (70, 112850552), (79, 99994160), (80, 98744233), (112, 70531595), (140, 56425276), (158, 49997080), (280, 28212638), (316, 24998540), (395, 19998832), (553, 14284880), (560, 14106319), (632, 12499270), (790, 9999416), (1106, 7142440), (1264, 6249635), (1580, 4999708), (2212, 3571220), (2765, 2856976), (3160, 2499854), (4424, 1785610), (5530, 1428488), (6320, 1249927), (8848, 892805), (11060, 714244), (22120, 357122), (44240, 178561)]