217826560

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 637531776

約数和(自身を除く): 419705216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 151, 160, 161, 184, 196, 224, 230, 245, 256, 280, 302, 320, 322, 368, 392, 448, 460, 490, 560, 604, 640, 644, 736, 755, 784, 805, 896, 920, 980, 1057, 1120, 1127, 1208, 1280, 1288, 1472, 1510, 1568, 1610, 1792, 1840, 1960, 2114, 2240, 2254, 2416, 2576, 2944, 3020, 3136, 3220, 3473, 3680, 3920, 4228, 4480, 4508, 4832, 5152, 5285, 5635, 5888, 6040, 6272, 6440, 6946, 7360, 7399, 7840, 8456, 8960, 9016, 9664, 10304, 10570, 11270, 12080, 12544, 12880, 13892, 14720, 14798, 15680, 16912, 17365, 18032, 19328, 20608, 21140, 22540, 24160, 24311, 25760, 27784, 29440, 29596, 31360, 33824, 34730, 36064, 36995, 38656, 41216, 42280, 45080, 48320, 48622, 51520, 55568, 59192, 62720, 67648, 69460, 72128, 73990, 84560, 90160, 96640, 97244, 103040, 111136, 118384, 121555, 135296, 138920, 144256, 147980, 169120, 170177, 180320, 193280, 194488, 206080, 222272, 236768, 243110, 270592, 277840, 288512, 295960, 338240, 340354, 360640, 388976, 444544, 473536, 486220, 555680, 591920, 676480, 680708, 721280, 777952, 850885, 889088, 947072, 972440, 1111360, 1183840, 1352960, 1361416, 1442560, 1555904, 1701770, 1894144, 1944880, 2222720, 2367680, 2722832, 3111808, 3403540, 3889760, 4445440, 4735360, 5445664, 6223616, 6807080, 7779520, 9470720, 10891328, 13614160, 15559040, 21782656, 27228320, 31118080, 43565312, 54456640, 108913280, 217826560]

約数ペア:

[(1, 217826560), (2, 108913280), (4, 54456640), (5, 43565312), (7, 31118080), (8, 27228320), (10, 21782656), (14, 15559040), (16, 13614160), (20, 10891328), (23, 9470720), (28, 7779520), (32, 6807080), (35, 6223616), (40, 5445664), (46, 4735360), (49, 4445440), (56, 3889760), (64, 3403540), (70, 3111808), (80, 2722832), (92, 2367680), (98, 2222720), (112, 1944880), (115, 1894144), (128, 1701770), (140, 1555904), (151, 1442560), (160, 1361416), (161, 1352960), (184, 1183840), (196, 1111360), (224, 972440), (230, 947072), (245, 889088), (256, 850885), (280, 777952), (302, 721280), (320, 680708), (322, 676480), (368, 591920), (392, 555680), (448, 486220), (460, 473536), (490, 444544), (560, 388976), (604, 360640), (640, 340354), (644, 338240), (736, 295960), (755, 288512), (784, 277840), (805, 270592), (896, 243110), (920, 236768), (980, 222272), (1057, 206080), (1120, 194488), (1127, 193280), (1208, 180320), (1280, 170177), (1288, 169120), (1472, 147980), (1510, 144256), (1568, 138920), (1610, 135296), (1792, 121555), (1840, 118384), (1960, 111136), (2114, 103040), (2240, 97244), (2254, 96640), (2416, 90160), (2576, 84560), (2944, 73990), (3020, 72128), (3136, 69460), (3220, 67648), (3473, 62720), (3680, 59192), (3920, 55568), (4228, 51520), (4480, 48622), (4508, 48320), (4832, 45080), (5152, 42280), (5285, 41216), (5635, 38656), (5888, 36995), (6040, 36064), (6272, 34730), (6440, 33824), (6946, 31360), (7360, 29596), (7399, 29440), (7840, 27784), (8456, 25760), (8960, 24311), (9016, 24160), (9664, 22540), (10304, 21140), (10570, 20608), (11270, 19328), (12080, 18032), (12544, 17365), (12880, 16912), (13892, 15680), (14720, 14798)]