280243968

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 784896000

約数和(自身を除く): 504652032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 79, 93, 96, 124, 128, 149, 158, 186, 192, 237, 248, 256, 298, 316, 372, 384, 447, 474, 496, 596, 632, 744, 768, 894, 948, 992, 1192, 1264, 1488, 1788, 1896, 1984, 2384, 2449, 2528, 2976, 3576, 3792, 3968, 4619, 4768, 4898, 5056, 5952, 7152, 7347, 7584, 7936, 9238, 9536, 9796, 10112, 11771, 11904, 13857, 14304, 14694, 15168, 18476, 19072, 19592, 20224, 23542, 23808, 27714, 28608, 29388, 30336, 35313, 36952, 38144, 39184, 47084, 55428, 57216, 58776, 60672, 70626, 73904, 78368, 94168, 110856, 114432, 117552, 141252, 147808, 156736, 188336, 221712, 235104, 282504, 295616, 313472, 364901, 376672, 443424, 470208, 565008, 591232, 626944, 729802, 753344, 886848, 940416, 1094703, 1130016, 1182464, 1459604, 1506688, 1773696, 1880832, 2189406, 2260032, 2919208, 3013376, 3547392, 4378812, 4520064, 5838416, 8757624, 9040128, 11676832, 17515248, 23353664, 35030496, 46707328, 70060992, 93414656, 140121984, 280243968]

約数ペア:

[(1, 280243968), (2, 140121984), (3, 93414656), (4, 70060992), (6, 46707328), (8, 35030496), (12, 23353664), (16, 17515248), (24, 11676832), (31, 9040128), (32, 8757624), (48, 5838416), (62, 4520064), (64, 4378812), (79, 3547392), (93, 3013376), (96, 2919208), (124, 2260032), (128, 2189406), (149, 1880832), (158, 1773696), (186, 1506688), (192, 1459604), (237, 1182464), (248, 1130016), (256, 1094703), (298, 940416), (316, 886848), (372, 753344), (384, 729802), (447, 626944), (474, 591232), (496, 565008), (596, 470208), (632, 443424), (744, 376672), (768, 364901), (894, 313472), (948, 295616), (992, 282504), (1192, 235104), (1264, 221712), (1488, 188336), (1788, 156736), (1896, 147808), (1984, 141252), (2384, 117552), (2449, 114432), (2528, 110856), (2976, 94168), (3576, 78368), (3792, 73904), (3968, 70626), (4619, 60672), (4768, 58776), (4898, 57216), (5056, 55428), (5952, 47084), (7152, 39184), (7347, 38144), (7584, 36952), (7936, 35313), (9238, 30336), (9536, 29388), (9796, 28608), (10112, 27714), (11771, 23808), (11904, 23542), (13857, 20224), (14304, 19592), (14694, 19072), (15168, 18476)]