168689920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 470348928

約数和(自身を除く): 301659008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 256, 268, 280, 281, 320, 335, 448, 469, 536, 560, 562, 640, 670, 896, 938, 1072, 1120, 1124, 1280, 1340, 1405, 1792, 1876, 1967, 2144, 2240, 2248, 2345, 2680, 2810, 3752, 3934, 4288, 4480, 4496, 4690, 5360, 5620, 7504, 7868, 8576, 8960, 8992, 9380, 9835, 10720, 11240, 15008, 15736, 17152, 17984, 18760, 18827, 19670, 21440, 22480, 30016, 31472, 35968, 37520, 37654, 39340, 42880, 44960, 60032, 62944, 71936, 75040, 75308, 78680, 85760, 89920, 94135, 120064, 125888, 131789, 150080, 150616, 157360, 179840, 188270, 251776, 263578, 300160, 301232, 314720, 359680, 376540, 503552, 527156, 600320, 602464, 629440, 658945, 753080, 1054312, 1204928, 1258880, 1317890, 1506160, 2108624, 2409856, 2517760, 2635780, 3012320, 4217248, 4819712, 5271560, 6024640, 8434496, 10543120, 12049280, 16868992, 21086240, 24098560, 33737984, 42172480, 84344960, 168689920]

約数ペア:

[(1, 168689920), (2, 84344960), (4, 42172480), (5, 33737984), (7, 24098560), (8, 21086240), (10, 16868992), (14, 12049280), (16, 10543120), (20, 8434496), (28, 6024640), (32, 5271560), (35, 4819712), (40, 4217248), (56, 3012320), (64, 2635780), (67, 2517760), (70, 2409856), (80, 2108624), (112, 1506160), (128, 1317890), (134, 1258880), (140, 1204928), (160, 1054312), (224, 753080), (256, 658945), (268, 629440), (280, 602464), (281, 600320), (320, 527156), (335, 503552), (448, 376540), (469, 359680), (536, 314720), (560, 301232), (562, 300160), (640, 263578), (670, 251776), (896, 188270), (938, 179840), (1072, 157360), (1120, 150616), (1124, 150080), (1280, 131789), (1340, 125888), (1405, 120064), (1792, 94135), (1876, 89920), (1967, 85760), (2144, 78680), (2240, 75308), (2248, 75040), (2345, 71936), (2680, 62944), (2810, 60032), (3752, 44960), (3934, 42880), (4288, 39340), (4480, 37654), (4496, 37520), (4690, 35968), (5360, 31472), (5620, 30016), (7504, 22480), (7868, 21440), (8576, 19670), (8960, 18827), (8992, 18760), (9380, 17984), (9835, 17152), (10720, 15736), (11240, 15008)]