218202880

素因数分解:

$2^8\times 5^1\times 7^4\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 618326352

約数和(自身を除く): 400123472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 140, 142, 160, 196, 224, 245, 256, 280, 284, 320, 343, 355, 392, 448, 490, 497, 560, 568, 640, 686, 710, 784, 896, 980, 994, 1120, 1136, 1280, 1372, 1420, 1568, 1715, 1792, 1960, 1988, 2240, 2272, 2401, 2485, 2744, 2840, 3136, 3430, 3479, 3920, 3976, 4480, 4544, 4802, 4970, 5488, 5680, 6272, 6860, 6958, 7840, 7952, 8960, 9088, 9604, 9940, 10976, 11360, 12005, 12544, 13720, 13916, 15680, 15904, 17395, 18176, 19208, 19880, 21952, 22720, 24010, 24353, 27440, 27832, 31360, 31808, 34790, 38416, 39760, 43904, 45440, 48020, 48706, 54880, 55664, 62720, 63616, 69580, 76832, 79520, 87808, 90880, 96040, 97412, 109760, 111328, 121765, 127232, 139160, 153664, 159040, 170471, 192080, 194824, 219520, 222656, 243530, 278320, 307328, 318080, 340942, 384160, 389648, 439040, 445312, 487060, 556640, 614656, 636160, 681884, 768320, 779296, 852355, 890624, 974120, 1113280, 1363768, 1536640, 1558592, 1704710, 1948240, 2226560, 2727536, 3073280, 3117184, 3409420, 3896480, 4453120, 5455072, 6234368, 6818840, 7792960, 10910144, 13637680, 15585920, 21820288, 27275360, 31171840, 43640576, 54550720, 109101440, 218202880]

約数ペア:

[(1, 218202880), (2, 109101440), (4, 54550720), (5, 43640576), (7, 31171840), (8, 27275360), (10, 21820288), (14, 15585920), (16, 13637680), (20, 10910144), (28, 7792960), (32, 6818840), (35, 6234368), (40, 5455072), (49, 4453120), (56, 3896480), (64, 3409420), (70, 3117184), (71, 3073280), (80, 2727536), (98, 2226560), (112, 1948240), (128, 1704710), (140, 1558592), (142, 1536640), (160, 1363768), (196, 1113280), (224, 974120), (245, 890624), (256, 852355), (280, 779296), (284, 768320), (320, 681884), (343, 636160), (355, 614656), (392, 556640), (448, 487060), (490, 445312), (497, 439040), (560, 389648), (568, 384160), (640, 340942), (686, 318080), (710, 307328), (784, 278320), (896, 243530), (980, 222656), (994, 219520), (1120, 194824), (1136, 192080), (1280, 170471), (1372, 159040), (1420, 153664), (1568, 139160), (1715, 127232), (1792, 121765), (1960, 111328), (1988, 109760), (2240, 97412), (2272, 96040), (2401, 90880), (2485, 87808), (2744, 79520), (2840, 76832), (3136, 69580), (3430, 63616), (3479, 62720), (3920, 55664), (3976, 54880), (4480, 48706), (4544, 48020), (4802, 45440), (4970, 43904), (5488, 39760), (5680, 38416), (6272, 34790), (6860, 31808), (6958, 31360), (7840, 27832), (7952, 27440), (8960, 24353), (9088, 24010), (9604, 22720), (9940, 21952), (10976, 19880), (11360, 19208), (12005, 18176), (12544, 17395), (13720, 15904), (13916, 15680)]