31312530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2503}}^1$

素因数の和:2655

約数の個数: 48

約数和(自身を含む): 82031040

約数和(自身を除く): 50718510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 2503, 4170, 5006, 6255, 7509, 12510, 12515, 15018, 22527, 25030, 37545, 45054, 75090, 112635, 225270, 347917, 695834, 1043751, 1739585, 2087502, 3131253, 3479170, 5218755, 6262506, 10437510, 15656265, 31312530]

約数ペア:

[(1, 31312530), (2, 15656265), (3, 10437510), (5, 6262506), (6, 5218755), (9, 3479170), (10, 3131253), (15, 2087502), (18, 1739585), (30, 1043751), (45, 695834), (90, 347917), (139, 225270), (278, 112635), (417, 75090), (695, 45054), (834, 37545), (1251, 25030), (1390, 22527), (2085, 15018), (2502, 12515), (2503, 12510), (4170, 7509), (5006, 6255)]