281791728

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2677}}^1$

素因数の和:2751

約数の個数: 120

約数和(自身を含む): 854753328

約数和(自身を除く): 572961600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 204, 258, 272, 306, 344, 387, 408, 516, 612, 688, 731, 774, 816, 1032, 1224, 1462, 1548, 2064, 2193, 2448, 2677, 2924, 3096, 4386, 5354, 5848, 6192, 6579, 8031, 8772, 10708, 11696, 13158, 16062, 17544, 21416, 24093, 26316, 32124, 35088, 42832, 45509, 48186, 52632, 64248, 91018, 96372, 105264, 115111, 128496, 136527, 182036, 192744, 230222, 273054, 345333, 364072, 385488, 409581, 460444, 546108, 690666, 728144, 819162, 920888, 1035999, 1092216, 1381332, 1638324, 1841776, 1956887, 2071998, 2184432, 2762664, 3276648, 3913774, 4143996, 5525328, 5870661, 6553296, 7827548, 8287992, 11741322, 15655096, 16575984, 17611983, 23482644, 31310192, 35223966, 46965288, 70447932, 93930576, 140895864, 281791728]

約数ペア:

[(1, 281791728), (2, 140895864), (3, 93930576), (4, 70447932), (6, 46965288), (8, 35223966), (9, 31310192), (12, 23482644), (16, 17611983), (17, 16575984), (18, 15655096), (24, 11741322), (34, 8287992), (36, 7827548), (43, 6553296), (48, 5870661), (51, 5525328), (68, 4143996), (72, 3913774), (86, 3276648), (102, 2762664), (129, 2184432), (136, 2071998), (144, 1956887), (153, 1841776), (172, 1638324), (204, 1381332), (258, 1092216), (272, 1035999), (306, 920888), (344, 819162), (387, 728144), (408, 690666), (516, 546108), (612, 460444), (688, 409581), (731, 385488), (774, 364072), (816, 345333), (1032, 273054), (1224, 230222), (1462, 192744), (1548, 182036), (2064, 136527), (2193, 128496), (2448, 115111), (2677, 105264), (2924, 96372), (3096, 91018), (4386, 64248), (5354, 52632), (5848, 48186), (6192, 45509), (6579, 42832), (8031, 35088), (8772, 32124), (10708, 26316), (11696, 24093), (13158, 21416), (16062, 17544)]