77778912975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1\times {\mathrm{709}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 137553696000

約数和(自身を除く): 59774783025

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 139, 255, 417, 425, 619, 695, 709, 1275, 1857, 2085, 2127, 2363, 3095, 3475, 3545, 7089, 9285, 10425, 10523, 10635, 11815, 12053, 15475, 17725, 31569, 35445, 36159, 46425, 52615, 53175, 59075, 60265, 86041, 98551, 157845, 177225, 180795, 258123, 263075, 295653, 301325, 430205, 438871, 492755, 789225, 903975, 1290615, 1316613, 1462697, 1478265, 1675367, 2151025, 2194355, 2463775, 4388091, 5026101, 6453075, 6583065, 7313485, 7391325, 7460807, 8376835, 10971775, 21940455, 22382421, 25130505, 32915325, 36567425, 37304035, 41884175, 61003069, 109702275, 111912105, 125652525, 183009207, 186520175, 305015345, 559560525, 915046035, 1037052173, 1525076725, 3111156519, 4575230175, 5185260865, 15555782595, 25926304325, 77778912975]

約数ペア:

[(1, 77778912975), (3, 25926304325), (5, 15555782595), (15, 5185260865), (17, 4575230175), (25, 3111156519), (51, 1525076725), (75, 1037052173), (85, 915046035), (139, 559560525), (255, 305015345), (417, 186520175), (425, 183009207), (619, 125652525), (695, 111912105), (709, 109702275), (1275, 61003069), (1857, 41884175), (2085, 37304035), (2127, 36567425), (2363, 32915325), (3095, 25130505), (3475, 22382421), (3545, 21940455), (7089, 10971775), (9285, 8376835), (10425, 7460807), (10523, 7391325), (10635, 7313485), (11815, 6583065), (12053, 6453075), (15475, 5026101), (17725, 4388091), (31569, 2463775), (35445, 2194355), (36159, 2151025), (46425, 1675367), (52615, 1478265), (53175, 1462697), (59075, 1316613), (60265, 1290615), (86041, 903975), (98551, 789225), (157845, 492755), (177225, 438871), (180795, 430205), (258123, 301325), (263075, 295653)]