256461408

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5531}}^1$

素因数の和:5577

約数の個数: 144

約数和(自身を含む): 869895936

約数和(自身を除く): 613434528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 483, 504, 552, 644, 672, 736, 828, 966, 1008, 1104, 1288, 1449, 1656, 1932, 2016, 2208, 2576, 2898, 3312, 3864, 5152, 5531, 5796, 6624, 7728, 11062, 11592, 15456, 16593, 22124, 23184, 33186, 38717, 44248, 46368, 49779, 66372, 77434, 88496, 99558, 116151, 127213, 132744, 154868, 176992, 199116, 232302, 254426, 265488, 309736, 348453, 381639, 398232, 464604, 508852, 530976, 619472, 696906, 763278, 796464, 890491, 929208, 1017704, 1144917, 1238944, 1393812, 1526556, 1592928, 1780982, 1858416, 2035408, 2289834, 2671473, 2787624, 3053112, 3561964, 3716832, 4070816, 4579668, 5342946, 5575248, 6106224, 7123928, 8014419, 9159336, 10685892, 11150496, 12212448, 14247856, 16028838, 18318672, 21371784, 28495712, 32057676, 36637344, 42743568, 64115352, 85487136, 128230704, 256461408]

約数ペア:

[(1, 256461408), (2, 128230704), (3, 85487136), (4, 64115352), (6, 42743568), (7, 36637344), (8, 32057676), (9, 28495712), (12, 21371784), (14, 18318672), (16, 16028838), (18, 14247856), (21, 12212448), (23, 11150496), (24, 10685892), (28, 9159336), (32, 8014419), (36, 7123928), (42, 6106224), (46, 5575248), (48, 5342946), (56, 4579668), (63, 4070816), (69, 3716832), (72, 3561964), (84, 3053112), (92, 2787624), (96, 2671473), (112, 2289834), (126, 2035408), (138, 1858416), (144, 1780982), (161, 1592928), (168, 1526556), (184, 1393812), (207, 1238944), (224, 1144917), (252, 1017704), (276, 929208), (288, 890491), (322, 796464), (336, 763278), (368, 696906), (414, 619472), (483, 530976), (504, 508852), (552, 464604), (644, 398232), (672, 381639), (736, 348453), (828, 309736), (966, 265488), (1008, 254426), (1104, 232302), (1288, 199116), (1449, 176992), (1656, 154868), (1932, 132744), (2016, 127213), (2208, 116151), (2576, 99558), (2898, 88496), (3312, 77434), (3864, 66372), (5152, 49779), (5531, 46368), (5796, 44248), (6624, 38717), (7728, 33186), (11062, 23184), (11592, 22124), (15456, 16593)]