31711960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3061}}^1$

素因数の和:3116

約数の個数: 64

約数和(自身を含む): 83776320

約数和(自身を除く): 52064360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 3061, 5180, 6122, 10360, 12244, 15305, 21427, 24488, 30610, 42854, 61220, 85708, 107135, 113257, 122440, 171416, 214270, 226514, 428540, 453028, 566285, 792799, 857080, 906056, 1132570, 1585598, 2265140, 3171196, 3963995, 4530280, 6342392, 7927990, 15855980, 31711960]

約数ペア:

[(1, 31711960), (2, 15855980), (4, 7927990), (5, 6342392), (7, 4530280), (8, 3963995), (10, 3171196), (14, 2265140), (20, 1585598), (28, 1132570), (35, 906056), (37, 857080), (40, 792799), (56, 566285), (70, 453028), (74, 428540), (140, 226514), (148, 214270), (185, 171416), (259, 122440), (280, 113257), (296, 107135), (370, 85708), (518, 61220), (740, 42854), (1036, 30610), (1295, 24488), (1480, 21427), (2072, 15305), (2590, 12244), (3061, 10360), (5180, 6122)]