268927260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{640303}}^1$

素因数の和:640322

約数の個数: 48

約数和(自身を含む): 860568576

約数和(自身を除く): 591641316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 640303, 1280606, 1920909, 2561212, 3201515, 3841818, 4482121, 6403030, 7683636, 8964242, 9604545, 12806060, 13446363, 17928484, 19209090, 22410605, 26892726, 38418180, 44821210, 53785452, 67231815, 89642420, 134463630, 268927260]

約数ペア:

[(1, 268927260), (2, 134463630), (3, 89642420), (4, 67231815), (5, 53785452), (6, 44821210), (7, 38418180), (10, 26892726), (12, 22410605), (14, 19209090), (15, 17928484), (20, 13446363), (21, 12806060), (28, 9604545), (30, 8964242), (35, 7683636), (42, 6403030), (60, 4482121), (70, 3841818), (84, 3201515), (105, 2561212), (140, 1920909), (210, 1280606), (420, 640303)]