78315090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21937}}^1$

素因数の和:21971

約数の個数: 64

約数和(自身を含む): 227453184

約数和(自身を除く): 149138094

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 21937, 43874, 65811, 109685, 131622, 153559, 219370, 307118, 329055, 372929, 460677, 658110, 745858, 767795, 921354, 1118787, 1535590, 1864645, 2237574, 2303385, 2610503, 3729290, 4606770, 5221006, 5593935, 7831509, 11187870, 13052515, 15663018, 26105030, 39157545, 78315090]

約数ペア:

[(1, 78315090), (2, 39157545), (3, 26105030), (5, 15663018), (6, 13052515), (7, 11187870), (10, 7831509), (14, 5593935), (15, 5221006), (17, 4606770), (21, 3729290), (30, 2610503), (34, 2303385), (35, 2237574), (42, 1864645), (51, 1535590), (70, 1118787), (85, 921354), (102, 767795), (105, 745858), (119, 658110), (170, 460677), (210, 372929), (238, 329055), (255, 307118), (357, 219370), (510, 153559), (595, 131622), (714, 109685), (1190, 65811), (1785, 43874), (3570, 21937)]