261729648

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^2\times {\mathrm{983}}^1$

素因数の和:1083

約数の個数: 90

約数和(自身を含む): 750672936

約数和(自身を除く): 488943288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 983, 1032, 1548, 1849, 1966, 2064, 2949, 3096, 3698, 3932, 5547, 5898, 6192, 7396, 7864, 8847, 11094, 11796, 14792, 15728, 16641, 17694, 22188, 23592, 29584, 33282, 35388, 42269, 44376, 47184, 66564, 70776, 84538, 88752, 126807, 133128, 141552, 169076, 253614, 266256, 338152, 380421, 507228, 676304, 760842, 1014456, 1521684, 1817567, 2028912, 3043368, 3635134, 5452701, 6086736, 7270268, 10905402, 14540536, 16358103, 21810804, 29081072, 32716206, 43621608, 65432412, 87243216, 130864824, 261729648]

約数ペア:

[(1, 261729648), (2, 130864824), (3, 87243216), (4, 65432412), (6, 43621608), (8, 32716206), (9, 29081072), (12, 21810804), (16, 16358103), (18, 14540536), (24, 10905402), (36, 7270268), (43, 6086736), (48, 5452701), (72, 3635134), (86, 3043368), (129, 2028912), (144, 1817567), (172, 1521684), (258, 1014456), (344, 760842), (387, 676304), (516, 507228), (688, 380421), (774, 338152), (983, 266256), (1032, 253614), (1548, 169076), (1849, 141552), (1966, 133128), (2064, 126807), (2949, 88752), (3096, 84538), (3698, 70776), (3932, 66564), (5547, 47184), (5898, 44376), (6192, 42269), (7396, 35388), (7864, 33282), (8847, 29584), (11094, 23592), (11796, 22188), (14792, 17694), (15728, 16641)]