145222160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106781}}^1$

素因数の和:106811

約数の個数: 40

約数和(自身を含む): 357506136

約数和(自身を除く): 212283976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 106781, 213562, 427124, 533905, 854248, 1067810, 1708496, 1815277, 2135620, 3630554, 4271240, 7261108, 8542480, 9076385, 14522216, 18152770, 29044432, 36305540, 72611080, 145222160]

約数ペア:

[(1, 145222160), (2, 72611080), (4, 36305540), (5, 29044432), (8, 18152770), (10, 14522216), (16, 9076385), (17, 8542480), (20, 7261108), (34, 4271240), (40, 3630554), (68, 2135620), (80, 1815277), (85, 1708496), (136, 1067810), (170, 854248), (272, 533905), (340, 427124), (680, 213562), (1360, 106781)]