660227788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 1338494976

約数和(自身を除く): 678267188

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 127, 242, 253, 254, 467, 484, 506, 508, 934, 1012, 1397, 1868, 2783, 2794, 2921, 5137, 5566, 5588, 5842, 10274, 10741, 11132, 11684, 15367, 20548, 21482, 30734, 32131, 42964, 56507, 59309, 61468, 64262, 113014, 118151, 118618, 128524, 226028, 236302, 237236, 353441, 472604, 652399, 706882, 1299661, 1304798, 1364107, 1413764, 2599322, 2609596, 2728214, 5198644, 5456428, 7176389, 14352778, 15005177, 28705556, 30010354, 60020708, 165056947, 330113894, 660227788]

約数ペア:

[(1, 660227788), (2, 330113894), (4, 165056947), (11, 60020708), (22, 30010354), (23, 28705556), (44, 15005177), (46, 14352778), (92, 7176389), (121, 5456428), (127, 5198644), (242, 2728214), (253, 2609596), (254, 2599322), (467, 1413764), (484, 1364107), (506, 1304798), (508, 1299661), (934, 706882), (1012, 652399), (1397, 472604), (1868, 353441), (2783, 237236), (2794, 236302), (2921, 226028), (5137, 128524), (5566, 118618), (5588, 118151), (5842, 113014), (10274, 64262), (10741, 61468), (11132, 59309), (11684, 56507), (15367, 42964), (20548, 32131), (21482, 30734)]