320169984

素因数分解:

$2^{11}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 903127680

約数和(自身を除く): 582957696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 48, 62, 64, 82, 93, 96, 123, 124, 128, 164, 186, 192, 246, 248, 256, 328, 372, 384, 492, 496, 512, 656, 744, 768, 984, 992, 1024, 1271, 1312, 1488, 1536, 1681, 1968, 1984, 2048, 2542, 2624, 2976, 3072, 3362, 3813, 3936, 3968, 5043, 5084, 5248, 5952, 6144, 6724, 7626, 7872, 7936, 10086, 10168, 10496, 11904, 13448, 15252, 15744, 15872, 20172, 20336, 20992, 23808, 26896, 30504, 31488, 31744, 40344, 40672, 41984, 47616, 52111, 53792, 61008, 62976, 63488, 80688, 81344, 83968, 95232, 104222, 107584, 122016, 125952, 156333, 161376, 162688, 190464, 208444, 215168, 244032, 251904, 312666, 322752, 325376, 416888, 430336, 488064, 625332, 645504, 650752, 833776, 860672, 976128, 1250664, 1291008, 1301504, 1667552, 1721344, 1952256, 2501328, 2582016, 2603008, 3335104, 3442688, 3904512, 5002656, 5164032, 6670208, 7809024, 10005312, 10328064, 13340416, 20010624, 26680832, 40021248, 53361664, 80042496, 106723328, 160084992, 320169984]

約数ペア:

[(1, 320169984), (2, 160084992), (3, 106723328), (4, 80042496), (6, 53361664), (8, 40021248), (12, 26680832), (16, 20010624), (24, 13340416), (31, 10328064), (32, 10005312), (41, 7809024), (48, 6670208), (62, 5164032), (64, 5002656), (82, 3904512), (93, 3442688), (96, 3335104), (123, 2603008), (124, 2582016), (128, 2501328), (164, 1952256), (186, 1721344), (192, 1667552), (246, 1301504), (248, 1291008), (256, 1250664), (328, 976128), (372, 860672), (384, 833776), (492, 650752), (496, 645504), (512, 625332), (656, 488064), (744, 430336), (768, 416888), (984, 325376), (992, 322752), (1024, 312666), (1271, 251904), (1312, 244032), (1488, 215168), (1536, 208444), (1681, 190464), (1968, 162688), (1984, 161376), (2048, 156333), (2542, 125952), (2624, 122016), (2976, 107584), (3072, 104222), (3362, 95232), (3813, 83968), (3936, 81344), (3968, 80688), (5043, 63488), (5084, 62976), (5248, 61008), (5952, 53792), (6144, 52111), (6724, 47616), (7626, 41984), (7872, 40672), (7936, 40344), (10086, 31744), (10168, 31488), (10496, 30504), (11904, 26896), (13448, 23808), (15252, 20992), (15744, 20336), (15872, 20172)]