251139168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 820834560

約数和(自身を除く): 569695392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 347, 359, 504, 672, 694, 718, 1008, 1041, 1077, 1388, 1436, 2016, 2082, 2154, 2429, 2513, 2776, 2872, 3123, 3231, 4164, 4308, 4858, 5026, 5552, 5744, 6246, 6462, 7287, 7539, 8328, 8616, 9716, 10052, 11104, 11488, 12492, 12924, 14574, 15078, 16656, 17232, 19432, 20104, 21861, 22617, 24984, 25848, 29148, 30156, 33312, 34464, 38864, 40208, 43722, 45234, 49968, 51696, 58296, 60312, 77728, 80416, 87444, 90468, 99936, 103392, 116592, 120624, 124573, 174888, 180936, 233184, 241248, 249146, 349776, 361872, 373719, 498292, 699552, 723744, 747438, 872011, 996584, 1121157, 1494876, 1744022, 1993168, 2242314, 2616033, 2989752, 3488044, 3986336, 4484628, 5232066, 5979504, 6976088, 7848099, 8969256, 10464132, 11959008, 13952176, 15696198, 17938512, 20928264, 27904352, 31392396, 35877024, 41856528, 62784792, 83713056, 125569584, 251139168]

約数ペア:

[(1, 251139168), (2, 125569584), (3, 83713056), (4, 62784792), (6, 41856528), (7, 35877024), (8, 31392396), (9, 27904352), (12, 20928264), (14, 17938512), (16, 15696198), (18, 13952176), (21, 11959008), (24, 10464132), (28, 8969256), (32, 7848099), (36, 6976088), (42, 5979504), (48, 5232066), (56, 4484628), (63, 3986336), (72, 3488044), (84, 2989752), (96, 2616033), (112, 2242314), (126, 1993168), (144, 1744022), (168, 1494876), (224, 1121157), (252, 996584), (288, 872011), (336, 747438), (347, 723744), (359, 699552), (504, 498292), (672, 373719), (694, 361872), (718, 349776), (1008, 249146), (1041, 241248), (1077, 233184), (1388, 180936), (1436, 174888), (2016, 124573), (2082, 120624), (2154, 116592), (2429, 103392), (2513, 99936), (2776, 90468), (2872, 87444), (3123, 80416), (3231, 77728), (4164, 60312), (4308, 58296), (4858, 51696), (5026, 49968), (5552, 45234), (5744, 43722), (6246, 40208), (6462, 38864), (7287, 34464), (7539, 33312), (8328, 30156), (8616, 29148), (9716, 25848), (10052, 24984), (11104, 22617), (11488, 21861), (12492, 20104), (12924, 19432), (14574, 17232), (15078, 16656)]