64808660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1031}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 91229740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1031, 1796, 2062, 2245, 3143, 4124, 4490, 5155, 6286, 7217, 8980, 10310, 12572, 14434, 15715, 20620, 28868, 31430, 36085, 62860, 72170, 144340, 462919, 925838, 1851676, 2314595, 3240433, 4629190, 6480866, 9258380, 12961732, 16202165, 32404330, 64808660]

約数ペア:

[(1, 64808660), (2, 32404330), (4, 16202165), (5, 12961732), (7, 9258380), (10, 6480866), (14, 4629190), (20, 3240433), (28, 2314595), (35, 1851676), (70, 925838), (140, 462919), (449, 144340), (898, 72170), (1031, 62860), (1796, 36085), (2062, 31430), (2245, 28868), (3143, 20620), (4124, 15715), (4490, 14434), (5155, 12572), (6286, 10310), (7217, 8980)]