51457860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 157387776

約数和(自身を除く): 105929916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2251, 2286, 2540, 3810, 4502, 4572, 5715, 6753, 7620, 9004, 11255, 11430, 13506, 20259, 22510, 22860, 27012, 33765, 40518, 45020, 67530, 81036, 101295, 135060, 202590, 285877, 405180, 571754, 857631, 1143508, 1429385, 1715262, 2572893, 2858770, 3430524, 4288155, 5145786, 5717540, 8576310, 10291572, 12864465, 17152620, 25728930, 51457860]

約数ペア:

[(1, 51457860), (2, 25728930), (3, 17152620), (4, 12864465), (5, 10291572), (6, 8576310), (9, 5717540), (10, 5145786), (12, 4288155), (15, 3430524), (18, 2858770), (20, 2572893), (30, 1715262), (36, 1429385), (45, 1143508), (60, 857631), (90, 571754), (127, 405180), (180, 285877), (254, 202590), (381, 135060), (508, 101295), (635, 81036), (762, 67530), (1143, 45020), (1270, 40518), (1524, 33765), (1905, 27012), (2251, 22860), (2286, 22510), (2540, 20259), (3810, 13506), (4502, 11430), (4572, 11255), (5715, 9004), (6753, 7620)]