257209344

素因数分解:

$2^{10}\times 3^4\times 7^1\times {\mathrm{443}}^1$

素因数の和:482

約数の個数: 220

約数和(自身を含む): 879784224

約数和(自身を除く): 622574880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 443, 448, 504, 512, 567, 576, 648, 672, 756, 768, 864, 886, 896, 1008, 1024, 1134, 1152, 1296, 1329, 1344, 1512, 1536, 1728, 1772, 1792, 2016, 2268, 2304, 2592, 2658, 2688, 3024, 3072, 3101, 3456, 3544, 3584, 3987, 4032, 4536, 4608, 5184, 5316, 5376, 6048, 6202, 6912, 7088, 7168, 7974, 8064, 9072, 9216, 9303, 10368, 10632, 10752, 11961, 12096, 12404, 13824, 14176, 15948, 16128, 18144, 18606, 20736, 21264, 21504, 23922, 24192, 24808, 27648, 27909, 28352, 31896, 32256, 35883, 36288, 37212, 41472, 42528, 47844, 48384, 49616, 55818, 56704, 63792, 64512, 71766, 72576, 74424, 82944, 83727, 85056, 95688, 96768, 99232, 111636, 113408, 127584, 143532, 145152, 148848, 167454, 170112, 191376, 193536, 198464, 223272, 226816, 251181, 255168, 287064, 290304, 297696, 334908, 340224, 382752, 396928, 446544, 453632, 502362, 510336, 574128, 580608, 595392, 669816, 680448, 765504, 793856, 893088, 1004724, 1020672, 1148256, 1190784, 1339632, 1360896, 1531008, 1587712, 1786176, 2009448, 2041344, 2296512, 2381568, 2679264, 3062016, 3175424, 3572352, 4018896, 4082688, 4593024, 4763136, 5358528, 6124032, 7144704, 8037792, 9186048, 9526272, 10717056, 12248064, 14289408, 16075584, 18372096, 21434112, 28578816, 32151168, 36744192, 42868224, 64302336, 85736448, 128604672, 257209344]

約数ペア:

[(1, 257209344), (2, 128604672), (3, 85736448), (4, 64302336), (6, 42868224), (7, 36744192), (8, 32151168), (9, 28578816), (12, 21434112), (14, 18372096), (16, 16075584), (18, 14289408), (21, 12248064), (24, 10717056), (27, 9526272), (28, 9186048), (32, 8037792), (36, 7144704), (42, 6124032), (48, 5358528), (54, 4763136), (56, 4593024), (63, 4082688), (64, 4018896), (72, 3572352), (81, 3175424), (84, 3062016), (96, 2679264), (108, 2381568), (112, 2296512), (126, 2041344), (128, 2009448), (144, 1786176), (162, 1587712), (168, 1531008), (189, 1360896), (192, 1339632), (216, 1190784), (224, 1148256), (252, 1020672), (256, 1004724), (288, 893088), (324, 793856), (336, 765504), (378, 680448), (384, 669816), (432, 595392), (443, 580608), (448, 574128), (504, 510336), (512, 502362), (567, 453632), (576, 446544), (648, 396928), (672, 382752), (756, 340224), (768, 334908), (864, 297696), (886, 290304), (896, 287064), (1008, 255168), (1024, 251181), (1134, 226816), (1152, 223272), (1296, 198464), (1329, 193536), (1344, 191376), (1512, 170112), (1536, 167454), (1728, 148848), (1772, 145152), (1792, 143532), (2016, 127584), (2268, 113408), (2304, 111636), (2592, 99232), (2658, 96768), (2688, 95688), (3024, 85056), (3072, 83727), (3101, 82944), (3456, 74424), (3544, 72576), (3584, 71766), (3987, 64512), (4032, 63792), (4536, 56704), (4608, 55818), (5184, 49616), (5316, 48384), (5376, 47844), (6048, 42528), (6202, 41472), (6912, 37212), (7088, 36288), (7168, 35883), (7974, 32256), (8064, 31896), (9072, 28352), (9216, 27909), (9303, 27648), (10368, 24808), (10632, 24192), (10752, 23922), (11961, 21504), (12096, 21264), (12404, 20736), (13824, 18606), (14176, 18144), (15948, 16128)]