80326120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12514

約数の個数: 64

約数和(自身を含む): 215550720

約数和(自身を除く): 135224600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12473, 24946, 49892, 62365, 87311, 99784, 124730, 174622, 249460, 286879, 349244, 436555, 498920, 573758, 698488, 873110, 1147516, 1434395, 1746220, 2008153, 2295032, 2868790, 3492440, 4016306, 5737580, 8032612, 10040765, 11475160, 16065224, 20081530, 40163060, 80326120]

約数ペア:

[(1, 80326120), (2, 40163060), (4, 20081530), (5, 16065224), (7, 11475160), (8, 10040765), (10, 8032612), (14, 5737580), (20, 4016306), (23, 3492440), (28, 2868790), (35, 2295032), (40, 2008153), (46, 1746220), (56, 1434395), (70, 1147516), (92, 873110), (115, 698488), (140, 573758), (161, 498920), (184, 436555), (230, 349244), (280, 286879), (322, 249460), (460, 174622), (644, 124730), (805, 99784), (920, 87311), (1288, 62365), (1610, 49892), (3220, 24946), (6440, 12473)]