31338540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1153}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 95772768

約数和(自身を除く): 64434228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1153, 1359, 1510, 1812, 2265, 2306, 2718, 3020, 3459, 4530, 4612, 5436, 5765, 6795, 6918, 9060, 10377, 11530, 13590, 13836, 17295, 20754, 23060, 27180, 34590, 41508, 51885, 69180, 103770, 174103, 207540, 348206, 522309, 696412, 870515, 1044618, 1566927, 1741030, 2089236, 2611545, 3133854, 3482060, 5223090, 6267708, 7834635, 10446180, 15669270, 31338540]

約数ペア:

[(1, 31338540), (2, 15669270), (3, 10446180), (4, 7834635), (5, 6267708), (6, 5223090), (9, 3482060), (10, 3133854), (12, 2611545), (15, 2089236), (18, 1741030), (20, 1566927), (30, 1044618), (36, 870515), (45, 696412), (60, 522309), (90, 348206), (151, 207540), (180, 174103), (302, 103770), (453, 69180), (604, 51885), (755, 41508), (906, 34590), (1153, 27180), (1359, 23060), (1510, 20754), (1812, 17295), (2265, 13836), (2306, 13590), (2718, 11530), (3020, 10377), (3459, 9060), (4530, 6918), (4612, 6795), (5436, 5765)]