217736960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1326

約数の個数: 144

約数和(自身を含む): 627916800

約数和(自身を除く): 410179840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1279, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2558, 2660, 3040, 4256, 4480, 4864, 5116, 5320, 6080, 6395, 8512, 8953, 8960, 10232, 10640, 12160, 12790, 17024, 17906, 20464, 21280, 24301, 24320, 25580, 34048, 35812, 40928, 42560, 44765, 48602, 51160, 71624, 81856, 85120, 89530, 97204, 102320, 121505, 143248, 163712, 170107, 170240, 179060, 194408, 204640, 243010, 286496, 327424, 340214, 358120, 388816, 409280, 486020, 572992, 680428, 716240, 777632, 818560, 850535, 972040, 1145984, 1360856, 1432480, 1555264, 1637120, 1701070, 1944080, 2291968, 2721712, 2864960, 3110528, 3402140, 3888160, 5443424, 5729920, 6221056, 6804280, 7776320, 10886848, 11459840, 13608560, 15552640, 21773696, 27217120, 31105280, 43547392, 54434240, 108868480, 217736960]

約数ペア:

[(1, 217736960), (2, 108868480), (4, 54434240), (5, 43547392), (7, 31105280), (8, 27217120), (10, 21773696), (14, 15552640), (16, 13608560), (19, 11459840), (20, 10886848), (28, 7776320), (32, 6804280), (35, 6221056), (38, 5729920), (40, 5443424), (56, 3888160), (64, 3402140), (70, 3110528), (76, 2864960), (80, 2721712), (95, 2291968), (112, 1944080), (128, 1701070), (133, 1637120), (140, 1555264), (152, 1432480), (160, 1360856), (190, 1145984), (224, 972040), (256, 850535), (266, 818560), (280, 777632), (304, 716240), (320, 680428), (380, 572992), (448, 486020), (532, 409280), (560, 388816), (608, 358120), (640, 340214), (665, 327424), (760, 286496), (896, 243010), (1064, 204640), (1120, 194408), (1216, 179060), (1279, 170240), (1280, 170107), (1330, 163712), (1520, 143248), (1792, 121505), (2128, 102320), (2240, 97204), (2432, 89530), (2558, 85120), (2660, 81856), (3040, 71624), (4256, 51160), (4480, 48602), (4864, 44765), (5116, 42560), (5320, 40928), (6080, 35812), (6395, 34048), (8512, 25580), (8953, 24320), (8960, 24301), (10232, 21280), (10640, 20464), (12160, 17906), (12790, 17024)]