61225640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 158112000

約数和(自身を除く): 96886360

約数列:

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

約数ペア:

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