15855980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3061}}^1$

素因数の和:3114

約数の個数: 48

約数和(自身を含む): 39095616

約数和(自身を除く): 23239636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3061, 5180, 6122, 12244, 15305, 21427, 30610, 42854, 61220, 85708, 107135, 113257, 214270, 226514, 428540, 453028, 566285, 792799, 1132570, 1585598, 2265140, 3171196, 3963995, 7927990, 15855980]

約数ペア:

[(1, 15855980), (2, 7927990), (4, 3963995), (5, 3171196), (7, 2265140), (10, 1585598), (14, 1132570), (20, 792799), (28, 566285), (35, 453028), (37, 428540), (70, 226514), (74, 214270), (140, 113257), (148, 107135), (185, 85708), (259, 61220), (370, 42854), (518, 30610), (740, 21427), (1036, 15305), (1295, 12244), (2590, 6122), (3061, 5180)]