161739648

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 192

約数和(自身を含む): 549918720

約数和(自身を除く): 388179072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 647, 651, 672, 744, 868, 896, 992, 1008, 1116, 1152, 1294, 1302, 1344, 1488, 1736, 1941, 1953, 1984, 2016, 2232, 2588, 2604, 2688, 2976, 3472, 3882, 3906, 3968, 4032, 4464, 4529, 5176, 5208, 5823, 5952, 6944, 7764, 7812, 8064, 8928, 9058, 10352, 10416, 11646, 11904, 13587, 13888, 15528, 15624, 17856, 18116, 20057, 20704, 20832, 23292, 27174, 27776, 31056, 31248, 35712, 36232, 40114, 40761, 41408, 41664, 46584, 54348, 60171, 62112, 62496, 72464, 80228, 81522, 82816, 83328, 93168, 108696, 120342, 124224, 124992, 140399, 144928, 160456, 163044, 180513, 186336, 217392, 240684, 248448, 249984, 280798, 289856, 320912, 326088, 361026, 372672, 421197, 434784, 481368, 561596, 579712, 641824, 652176, 722052, 745344, 842394, 869568, 962736, 1123192, 1263591, 1283648, 1304352, 1444104, 1684788, 1739136, 1925472, 2246384, 2527182, 2567296, 2608704, 2888208, 3369576, 3850944, 4492768, 5054364, 5217408, 5776416, 6739152, 7701888, 8985536, 10108728, 11552832, 13478304, 17971072, 20217456, 23105664, 26956608, 40434912, 53913216, 80869824, 161739648]

約数ペア:

[(1, 161739648), (2, 80869824), (3, 53913216), (4, 40434912), (6, 26956608), (7, 23105664), (8, 20217456), (9, 17971072), (12, 13478304), (14, 11552832), (16, 10108728), (18, 8985536), (21, 7701888), (24, 6739152), (28, 5776416), (31, 5217408), (32, 5054364), (36, 4492768), (42, 3850944), (48, 3369576), (56, 2888208), (62, 2608704), (63, 2567296), (64, 2527182), (72, 2246384), (84, 1925472), (93, 1739136), (96, 1684788), (112, 1444104), (124, 1304352), (126, 1283648), (128, 1263591), (144, 1123192), (168, 962736), (186, 869568), (192, 842394), (217, 745344), (224, 722052), (248, 652176), (252, 641824), (279, 579712), (288, 561596), (336, 481368), (372, 434784), (384, 421197), (434, 372672), (448, 361026), (496, 326088), (504, 320912), (558, 289856), (576, 280798), (647, 249984), (651, 248448), (672, 240684), (744, 217392), (868, 186336), (896, 180513), (992, 163044), (1008, 160456), (1116, 144928), (1152, 140399), (1294, 124992), (1302, 124224), (1344, 120342), (1488, 108696), (1736, 93168), (1941, 83328), (1953, 82816), (1984, 81522), (2016, 80228), (2232, 72464), (2588, 62496), (2604, 62112), (2688, 60171), (2976, 54348), (3472, 46584), (3882, 41664), (3906, 41408), (3968, 40761), (4032, 40114), (4464, 36232), (4529, 35712), (5176, 31248), (5208, 31056), (5823, 27776), (5952, 27174), (6944, 23292), (7764, 20832), (7812, 20704), (8064, 20057), (8928, 18116), (9058, 17856), (10352, 15624), (10416, 15528), (11646, 13888), (11904, 13587)]