66108140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7741}}^1$

素因数の和:7818

約数の個数: 48

約数和(自身を含む): 161281344

約数和(自身を除く): 95173204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7741, 8540, 15482, 30964, 38705, 54187, 77410, 108374, 154820, 216748, 270935, 472201, 541870, 944402, 1083740, 1888804, 2361005, 3305407, 4722010, 6610814, 9444020, 13221628, 16527035, 33054070, 66108140]

約数ペア:

[(1, 66108140), (2, 33054070), (4, 16527035), (5, 13221628), (7, 9444020), (10, 6610814), (14, 4722010), (20, 3305407), (28, 2361005), (35, 1888804), (61, 1083740), (70, 944402), (122, 541870), (140, 472201), (244, 270935), (305, 216748), (427, 154820), (610, 108374), (854, 77410), (1220, 54187), (1708, 38705), (2135, 30964), (4270, 15482), (7741, 8540)]