281268456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 846028800

約数和(自身を除く): 564760344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 53, 56, 62, 84, 93, 106, 124, 159, 168, 186, 212, 217, 248, 318, 371, 372, 424, 434, 636, 651, 742, 744, 868, 1019, 1113, 1272, 1302, 1484, 1643, 1736, 2038, 2226, 2604, 2968, 3057, 3286, 4076, 4452, 4929, 5208, 6114, 6572, 7133, 8152, 8904, 9858, 11501, 12228, 13144, 14266, 19716, 21399, 23002, 24456, 28532, 31589, 34503, 39432, 42798, 46004, 54007, 57064, 63178, 69006, 85596, 92008, 94767, 108014, 126356, 138012, 162021, 171192, 189534, 216028, 221123, 252712, 276024, 324042, 378049, 379068, 432056, 442246, 648084, 663369, 756098, 758136, 884492, 1134147, 1296168, 1326738, 1512196, 1674217, 1768984, 2268294, 2653476, 3024392, 3348434, 4536588, 5022651, 5306952, 6696868, 9073176, 10045302, 11719519, 13393736, 20090604, 23439038, 35158557, 40181208, 46878076, 70317114, 93756152, 140634228, 281268456]

約数ペア:

[(1, 281268456), (2, 140634228), (3, 93756152), (4, 70317114), (6, 46878076), (7, 40181208), (8, 35158557), (12, 23439038), (14, 20090604), (21, 13393736), (24, 11719519), (28, 10045302), (31, 9073176), (42, 6696868), (53, 5306952), (56, 5022651), (62, 4536588), (84, 3348434), (93, 3024392), (106, 2653476), (124, 2268294), (159, 1768984), (168, 1674217), (186, 1512196), (212, 1326738), (217, 1296168), (248, 1134147), (318, 884492), (371, 758136), (372, 756098), (424, 663369), (434, 648084), (636, 442246), (651, 432056), (742, 379068), (744, 378049), (868, 324042), (1019, 276024), (1113, 252712), (1272, 221123), (1302, 216028), (1484, 189534), (1643, 171192), (1736, 162021), (2038, 138012), (2226, 126356), (2604, 108014), (2968, 94767), (3057, 92008), (3286, 85596), (4076, 69006), (4452, 63178), (4929, 57064), (5208, 54007), (6114, 46004), (6572, 42798), (7133, 39432), (8152, 34503), (8904, 31589), (9858, 28532), (11501, 24456), (12228, 23002), (13144, 21399), (14266, 19716)]