122451280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 326764800

約数和(自身を除く): 204313520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 449, 487, 560, 898, 974, 1796, 1948, 2245, 2435, 3143, 3409, 3592, 3896, 4490, 4870, 6286, 6818, 7184, 7792, 8980, 9740, 12572, 13636, 15715, 17045, 17960, 19480, 25144, 27272, 31430, 34090, 35920, 38960, 50288, 54544, 62860, 68180, 125720, 136360, 218663, 251440, 272720, 437326, 874652, 1093315, 1530641, 1749304, 2186630, 3061282, 3498608, 4373260, 6122564, 7653205, 8746520, 12245128, 15306410, 17493040, 24490256, 30612820, 61225640, 122451280]

約数ペア:

[(1, 122451280), (2, 61225640), (4, 30612820), (5, 24490256), (7, 17493040), (8, 15306410), (10, 12245128), (14, 8746520), (16, 7653205), (20, 6122564), (28, 4373260), (35, 3498608), (40, 3061282), (56, 2186630), (70, 1749304), (80, 1530641), (112, 1093315), (140, 874652), (280, 437326), (449, 272720), (487, 251440), (560, 218663), (898, 136360), (974, 125720), (1796, 68180), (1948, 62860), (2245, 54544), (2435, 50288), (3143, 38960), (3409, 35920), (3592, 34090), (3896, 31430), (4490, 27272), (4870, 25144), (6286, 19480), (6818, 17960), (7184, 17045), (7792, 15715), (8980, 13636), (9740, 12572)]