256172544

素因数分解:

$2^9\times 3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 804323520

約数和(自身を除く): 548150976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 71, 72, 81, 87, 96, 108, 116, 128, 142, 144, 162, 174, 192, 213, 216, 232, 243, 256, 261, 284, 288, 324, 348, 384, 426, 432, 464, 486, 512, 522, 568, 576, 639, 648, 696, 768, 783, 852, 864, 928, 972, 1044, 1136, 1152, 1278, 1296, 1392, 1536, 1566, 1704, 1728, 1856, 1917, 1944, 2059, 2088, 2272, 2304, 2349, 2556, 2592, 2784, 3132, 3408, 3456, 3712, 3834, 3888, 4118, 4176, 4544, 4608, 4698, 5112, 5184, 5568, 5751, 6177, 6264, 6816, 6912, 7047, 7424, 7668, 7776, 8236, 8352, 9088, 9396, 10224, 10368, 11136, 11502, 12354, 12528, 13632, 13824, 14094, 14848, 15336, 15552, 16472, 16704, 17253, 18176, 18531, 18792, 20448, 20736, 22272, 23004, 24708, 25056, 27264, 28188, 30672, 31104, 32944, 33408, 34506, 36352, 37062, 37584, 40896, 41472, 44544, 46008, 49416, 50112, 54528, 55593, 56376, 61344, 62208, 65888, 66816, 69012, 74124, 75168, 81792, 92016, 98832, 100224, 109056, 111186, 112752, 122688, 124416, 131776, 133632, 138024, 148248, 150336, 163584, 166779, 184032, 197664, 200448, 222372, 225504, 245376, 263552, 276048, 296496, 300672, 327168, 333558, 368064, 395328, 400896, 444744, 451008, 490752, 500337, 527104, 552096, 592992, 601344, 667116, 736128, 790656, 889488, 902016, 981504, 1000674, 1054208, 1104192, 1185984, 1202688, 1334232, 1472256, 1581312, 1778976, 1804032, 2001348, 2208384, 2371968, 2668464, 2944512, 3162624, 3557952, 3608064, 4002696, 4416768, 4743936, 5336928, 7115904, 8005392, 8833536, 9487872, 10673856, 14231808, 16010784, 21347712, 28463616, 32021568, 42695424, 64043136, 85390848, 128086272, 256172544]

約数ペア:

[(1, 256172544), (2, 128086272), (3, 85390848), (4, 64043136), (6, 42695424), (8, 32021568), (9, 28463616), (12, 21347712), (16, 16010784), (18, 14231808), (24, 10673856), (27, 9487872), (29, 8833536), (32, 8005392), (36, 7115904), (48, 5336928), (54, 4743936), (58, 4416768), (64, 4002696), (71, 3608064), (72, 3557952), (81, 3162624), (87, 2944512), (96, 2668464), (108, 2371968), (116, 2208384), (128, 2001348), (142, 1804032), (144, 1778976), (162, 1581312), (174, 1472256), (192, 1334232), (213, 1202688), (216, 1185984), (232, 1104192), (243, 1054208), (256, 1000674), (261, 981504), (284, 902016), (288, 889488), (324, 790656), (348, 736128), (384, 667116), (426, 601344), (432, 592992), (464, 552096), (486, 527104), (512, 500337), (522, 490752), (568, 451008), (576, 444744), (639, 400896), (648, 395328), (696, 368064), (768, 333558), (783, 327168), (852, 300672), (864, 296496), (928, 276048), (972, 263552), (1044, 245376), (1136, 225504), (1152, 222372), (1278, 200448), (1296, 197664), (1392, 184032), (1536, 166779), (1566, 163584), (1704, 150336), (1728, 148248), (1856, 138024), (1917, 133632), (1944, 131776), (2059, 124416), (2088, 122688), (2272, 112752), (2304, 111186), (2349, 109056), (2556, 100224), (2592, 98832), (2784, 92016), (3132, 81792), (3408, 75168), (3456, 74124), (3712, 69012), (3834, 66816), (3888, 65888), (4118, 62208), (4176, 61344), (4544, 56376), (4608, 55593), (4698, 54528), (5112, 50112), (5184, 49416), (5568, 46008), (5751, 44544), (6177, 41472), (6264, 40896), (6816, 37584), (6912, 37062), (7047, 36352), (7424, 34506), (7668, 33408), (7776, 32944), (8236, 31104), (8352, 30672), (9088, 28188), (9396, 27264), (10224, 25056), (10368, 24708), (11136, 23004), (11502, 22272), (12354, 20736), (12528, 20448), (13632, 18792), (13824, 18531), (14094, 18176), (14848, 17253), (15336, 16704), (15552, 16472)]