320905728

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 240

約数和(自身を含む): 1090305216

約数和(自身を除く): 769399488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 64, 66, 72, 78, 88, 96, 99, 104, 117, 128, 132, 143, 144, 156, 176, 192, 198, 208, 234, 256, 264, 286, 288, 312, 352, 384, 396, 416, 429, 468, 487, 512, 528, 572, 576, 624, 704, 768, 792, 832, 858, 936, 974, 1056, 1144, 1152, 1248, 1287, 1408, 1461, 1536, 1584, 1664, 1716, 1872, 1948, 2112, 2288, 2304, 2496, 2574, 2816, 2922, 3168, 3328, 3432, 3744, 3896, 4224, 4383, 4576, 4608, 4992, 5148, 5357, 5632, 5844, 6331, 6336, 6656, 6864, 7488, 7792, 8448, 8766, 9152, 9984, 10296, 10714, 11688, 12662, 12672, 13728, 14976, 15584, 16071, 16896, 17532, 18304, 18993, 19968, 20592, 21428, 23376, 25324, 25344, 27456, 29952, 31168, 32142, 35064, 36608, 37986, 41184, 42856, 46752, 48213, 50648, 50688, 54912, 56979, 59904, 62336, 64284, 69641, 70128, 73216, 75972, 82368, 85712, 93504, 96426, 101296, 109824, 113958, 124672, 128568, 139282, 140256, 151944, 164736, 171424, 187008, 192852, 202592, 208923, 219648, 227916, 249344, 257136, 278564, 280512, 303888, 329472, 342848, 374016, 385704, 405184, 417846, 455832, 514272, 557128, 561024, 607776, 626769, 658944, 685696, 748032, 771408, 810368, 835692, 911664, 1028544, 1114256, 1122048, 1215552, 1253538, 1371392, 1542816, 1620736, 1671384, 1823328, 2057088, 2228512, 2244096, 2431104, 2507076, 2742784, 3085632, 3241472, 3342768, 3646656, 4114176, 4457024, 4862208, 5014152, 6171264, 6685536, 7293312, 8228352, 8914048, 9724416, 10028304, 12342528, 13371072, 14586624, 17828096, 20056608, 24685056, 26742144, 29173248, 35656192, 40113216, 53484288, 80226432, 106968576, 160452864, 320905728]

約数ペア:

[(1, 320905728), (2, 160452864), (3, 106968576), (4, 80226432), (6, 53484288), (8, 40113216), (9, 35656192), (11, 29173248), (12, 26742144), (13, 24685056), (16, 20056608), (18, 17828096), (22, 14586624), (24, 13371072), (26, 12342528), (32, 10028304), (33, 9724416), (36, 8914048), (39, 8228352), (44, 7293312), (48, 6685536), (52, 6171264), (64, 5014152), (66, 4862208), (72, 4457024), (78, 4114176), (88, 3646656), (96, 3342768), (99, 3241472), (104, 3085632), (117, 2742784), (128, 2507076), (132, 2431104), (143, 2244096), (144, 2228512), (156, 2057088), (176, 1823328), (192, 1671384), (198, 1620736), (208, 1542816), (234, 1371392), (256, 1253538), (264, 1215552), (286, 1122048), (288, 1114256), (312, 1028544), (352, 911664), (384, 835692), (396, 810368), (416, 771408), (429, 748032), (468, 685696), (487, 658944), (512, 626769), (528, 607776), (572, 561024), (576, 557128), (624, 514272), (704, 455832), (768, 417846), (792, 405184), (832, 385704), (858, 374016), (936, 342848), (974, 329472), (1056, 303888), (1144, 280512), (1152, 278564), (1248, 257136), (1287, 249344), (1408, 227916), (1461, 219648), (1536, 208923), (1584, 202592), (1664, 192852), (1716, 187008), (1872, 171424), (1948, 164736), (2112, 151944), (2288, 140256), (2304, 139282), (2496, 128568), (2574, 124672), (2816, 113958), (2922, 109824), (3168, 101296), (3328, 96426), (3432, 93504), (3744, 85712), (3896, 82368), (4224, 75972), (4383, 73216), (4576, 70128), (4608, 69641), (4992, 64284), (5148, 62336), (5357, 59904), (5632, 56979), (5844, 54912), (6331, 50688), (6336, 50648), (6656, 48213), (6864, 46752), (7488, 42856), (7792, 41184), (8448, 37986), (8766, 36608), (9152, 35064), (9984, 32142), (10296, 31168), (10714, 29952), (11688, 27456), (12662, 25344), (12672, 25324), (13728, 23376), (14976, 21428), (15584, 20592), (16071, 19968), (16896, 18993), (17532, 18304)]