78272720

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3187}}^1$

素因数の和:3507

約数の個数: 40

約数和(自身を含む): 182634144

約数和(自身を除く): 104361424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3187, 4912, 6140, 6374, 12280, 12748, 15935, 24560, 25496, 31870, 50992, 63740, 127480, 254960, 978409, 1956818, 3913636, 4892045, 7827272, 9784090, 15654544, 19568180, 39136360, 78272720]

約数ペア:

[(1, 78272720), (2, 39136360), (4, 19568180), (5, 15654544), (8, 9784090), (10, 7827272), (16, 4892045), (20, 3913636), (40, 1956818), (80, 978409), (307, 254960), (614, 127480), (1228, 63740), (1535, 50992), (2456, 31870), (3070, 25496), (3187, 24560), (4912, 15935), (6140, 12748), (6374, 12280)]