319138560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 216

約数和(自身を含む): 1189681584

約数和(自身を除く): 870543024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1560, 1664, 1872, 1920, 2080, 2131, 2304, 2340, 2496, 2880, 3120, 3328, 3744, 3840, 4160, 4262, 4680, 4992, 5760, 6240, 6393, 7488, 8320, 8524, 9360, 9984, 10655, 11520, 12480, 12786, 14976, 16640, 17048, 18720, 19179, 21310, 24960, 25572, 27703, 29952, 31965, 34096, 37440, 38358, 42620, 49920, 51144, 55406, 63930, 68192, 74880, 76716, 83109, 85240, 95895, 102288, 110812, 127860, 136384, 138515, 149760, 153432, 166218, 170480, 191790, 204576, 221624, 249327, 255720, 272768, 277030, 306864, 332436, 340960, 383580, 409152, 415545, 443248, 498654, 511440, 545536, 554060, 613728, 664872, 681920, 767160, 818304, 831090, 886496, 997308, 1022880, 1108120, 1227456, 1246635, 1329744, 1363840, 1534320, 1636608, 1662180, 1772992, 1994616, 2045760, 2216240, 2454912, 2493270, 2659488, 2727680, 3068640, 3324360, 3545984, 3989232, 4091520, 4432480, 4909824, 4986540, 5318976, 6137280, 6648720, 7091968, 7978464, 8183040, 8864960, 9973080, 10637952, 12274560, 13297440, 15956928, 17729920, 19946160, 21275904, 24549120, 26594880, 31913856, 35459840, 39892320, 53189760, 63827712, 79784640, 106379520, 159569280, 319138560]

約数ペア:

[(1, 319138560), (2, 159569280), (3, 106379520), (4, 79784640), (5, 63827712), (6, 53189760), (8, 39892320), (9, 35459840), (10, 31913856), (12, 26594880), (13, 24549120), (15, 21275904), (16, 19946160), (18, 17729920), (20, 15956928), (24, 13297440), (26, 12274560), (30, 10637952), (32, 9973080), (36, 8864960), (39, 8183040), (40, 7978464), (45, 7091968), (48, 6648720), (52, 6137280), (60, 5318976), (64, 4986540), (65, 4909824), (72, 4432480), (78, 4091520), (80, 3989232), (90, 3545984), (96, 3324360), (104, 3068640), (117, 2727680), (120, 2659488), (128, 2493270), (130, 2454912), (144, 2216240), (156, 2045760), (160, 1994616), (180, 1772992), (192, 1662180), (195, 1636608), (208, 1534320), (234, 1363840), (240, 1329744), (256, 1246635), (260, 1227456), (288, 1108120), (312, 1022880), (320, 997308), (360, 886496), (384, 831090), (390, 818304), (416, 767160), (468, 681920), (480, 664872), (520, 613728), (576, 554060), (585, 545536), (624, 511440), (640, 498654), (720, 443248), (768, 415545), (780, 409152), (832, 383580), (936, 340960), (960, 332436), (1040, 306864), (1152, 277030), (1170, 272768), (1248, 255720), (1280, 249327), (1440, 221624), (1560, 204576), (1664, 191790), (1872, 170480), (1920, 166218), (2080, 153432), (2131, 149760), (2304, 138515), (2340, 136384), (2496, 127860), (2880, 110812), (3120, 102288), (3328, 95895), (3744, 85240), (3840, 83109), (4160, 76716), (4262, 74880), (4680, 68192), (4992, 63930), (5760, 55406), (6240, 51144), (6393, 49920), (7488, 42620), (8320, 38358), (8524, 37440), (9360, 34096), (9984, 31965), (10655, 29952), (11520, 27703), (12480, 25572), (12786, 24960), (14976, 21310), (16640, 19179), (17048, 18720)]