65969680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16829}}^1$

素因数の和:16856

約数の個数: 60

約数和(自身を含む): 178431660

約数和(自身を除く): 112461980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16829, 33658, 67316, 84145, 117803, 134632, 168290, 235606, 269264, 336580, 471212, 589015, 673160, 824621, 942424, 1178030, 1346320, 1649242, 1884848, 2356060, 3298484, 4123105, 4712120, 6596968, 8246210, 9424240, 13193936, 16492420, 32984840, 65969680]

約数ペア:

[(1, 65969680), (2, 32984840), (4, 16492420), (5, 13193936), (7, 9424240), (8, 8246210), (10, 6596968), (14, 4712120), (16, 4123105), (20, 3298484), (28, 2356060), (35, 1884848), (40, 1649242), (49, 1346320), (56, 1178030), (70, 942424), (80, 824621), (98, 673160), (112, 589015), (140, 471212), (196, 336580), (245, 269264), (280, 235606), (392, 168290), (490, 134632), (560, 117803), (784, 84145), (980, 67316), (1960, 33658), (3920, 16829)]