1721266560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 384

約数和(自身を含む): 6487004160

約数和(自身を除く): 4765737600

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, 127, 128, 130, 144, 156, 160, 180, 181, 192, 195, 208, 234, 240, 254, 260, 288, 312, 320, 360, 362, 381, 384, 390, 416, 468, 480, 508, 520, 543, 576, 585, 624, 635, 640, 720, 724, 762, 780, 832, 905, 936, 960, 1016, 1040, 1086, 1143, 1152, 1170, 1248, 1270, 1440, 1448, 1524, 1560, 1629, 1651, 1664, 1810, 1872, 1905, 1920, 2032, 2080, 2172, 2286, 2340, 2353, 2496, 2540, 2715, 2880, 2896, 3048, 3120, 3258, 3302, 3620, 3744, 3810, 4064, 4160, 4344, 4572, 4680, 4706, 4953, 4992, 5080, 5430, 5715, 5760, 5792, 6096, 6240, 6516, 6604, 7059, 7240, 7488, 7620, 8128, 8145, 8255, 8320, 8688, 9144, 9360, 9412, 9906, 10160, 10860, 11430, 11584, 11765, 12192, 12480, 13032, 13208, 14118, 14480, 14859, 14976, 15240, 16256, 16290, 16510, 17376, 18288, 18720, 18824, 19812, 20320, 21177, 21720, 22860, 22987, 23168, 23530, 24384, 24765, 24960, 26064, 26416, 28236, 28960, 29718, 30480, 32580, 33020, 34752, 35295, 36576, 37440, 37648, 39624, 40640, 42354, 43440, 45720, 45974, 47060, 48768, 49530, 52128, 52832, 56472, 57920, 59436, 60960, 65160, 66040, 68961, 69504, 70590, 73152, 74295, 74880, 75296, 79248, 81280, 84708, 86880, 91440, 91948, 94120, 99060, 104256, 105664, 105885, 112944, 114935, 115840, 118872, 121920, 130320, 132080, 137922, 141180, 146304, 148590, 150592, 158496, 169416, 173760, 182880, 183896, 188240, 198120, 206883, 208512, 211328, 211770, 225888, 229870, 237744, 243840, 260640, 264160, 275844, 282360, 297180, 298831, 301184, 316992, 338832, 344805, 347520, 365760, 367792, 376480, 396240, 413766, 423540, 451776, 459740, 475488, 521280, 528320, 551688, 564720, 594360, 597662, 633984, 677664, 689610, 731520, 735584, 752960, 792480, 827532, 847080, 896493, 903552, 919480, 950976, 1034415, 1042560, 1056640, 1103376, 1129440, 1188720, 1195324, 1355328, 1379220, 1471168, 1494155, 1505920, 1584960, 1655064, 1694160, 1792986, 1838960, 1901952, 2068830, 2206752, 2258880, 2377440, 2390648, 2689479, 2710656, 2758440, 2942336, 2988310, 3169920, 3310128, 3388320, 3585972, 3677920, 4137660, 4413504, 4482465, 4517760, 4754880, 4781296, 5378958, 5516880, 5976620, 6620256, 6776640, 7171944, 7355840, 8275320, 8827008, 8964930, 9509760, 9562592, 10757916, 11033760, 11953240, 13240512, 13447395, 13553280, 14343888, 14711680, 16550640, 17929860, 19125184, 21515832, 22067520, 23906480, 26481024, 26894790, 28687776, 33101280, 35859720, 38250368, 43031664, 44135040, 47812960, 53789580, 57375552, 66202560, 71719440, 86063328, 95625920, 107579160, 114751104, 132405120, 143438880, 172126656, 191251840, 215158320, 286877760, 344253312, 430316640, 573755520, 860633280, 1721266560]

約数ペア:

[(1, 1721266560), (2, 860633280), (3, 573755520), (4, 430316640), (5, 344253312), (6, 286877760), (8, 215158320), (9, 191251840), (10, 172126656), (12, 143438880), (13, 132405120), (15, 114751104), (16, 107579160), (18, 95625920), (20, 86063328), (24, 71719440), (26, 66202560), (30, 57375552), (32, 53789580), (36, 47812960), (39, 44135040), (40, 43031664), (45, 38250368), (48, 35859720), (52, 33101280), (60, 28687776), (64, 26894790), (65, 26481024), (72, 23906480), (78, 22067520), (80, 21515832), (90, 19125184), (96, 17929860), (104, 16550640), (117, 14711680), (120, 14343888), (127, 13553280), (128, 13447395), (130, 13240512), (144, 11953240), (156, 11033760), (160, 10757916), (180, 9562592), (181, 9509760), (192, 8964930), (195, 8827008), (208, 8275320), (234, 7355840), (240, 7171944), (254, 6776640), (260, 6620256), (288, 5976620), (312, 5516880), (320, 5378958), (360, 4781296), (362, 4754880), (381, 4517760), (384, 4482465), (390, 4413504), (416, 4137660), (468, 3677920), (480, 3585972), (508, 3388320), (520, 3310128), (543, 3169920), (576, 2988310), (585, 2942336), (624, 2758440), (635, 2710656), (640, 2689479), (720, 2390648), (724, 2377440), (762, 2258880), (780, 2206752), (832, 2068830), (905, 1901952), (936, 1838960), (960, 1792986), (1016, 1694160), (1040, 1655064), (1086, 1584960), (1143, 1505920), (1152, 1494155), (1170, 1471168), (1248, 1379220), (1270, 1355328), (1440, 1195324), (1448, 1188720), (1524, 1129440), (1560, 1103376), (1629, 1056640), (1651, 1042560), (1664, 1034415), (1810, 950976), (1872, 919480), (1905, 903552), (1920, 896493), (2032, 847080), (2080, 827532), (2172, 792480), (2286, 752960), (2340, 735584), (2353, 731520), (2496, 689610), (2540, 677664), (2715, 633984), (2880, 597662), (2896, 594360), (3048, 564720), (3120, 551688), (3258, 528320), (3302, 521280), (3620, 475488), (3744, 459740), (3810, 451776), (4064, 423540), (4160, 413766), (4344, 396240), (4572, 376480), (4680, 367792), (4706, 365760), (4953, 347520), (4992, 344805), (5080, 338832), (5430, 316992), (5715, 301184), (5760, 298831), (5792, 297180), (6096, 282360), (6240, 275844), (6516, 264160), (6604, 260640), (7059, 243840), (7240, 237744), (7488, 229870), (7620, 225888), (8128, 211770), (8145, 211328), (8255, 208512), (8320, 206883), (8688, 198120), (9144, 188240), (9360, 183896), (9412, 182880), (9906, 173760), (10160, 169416), (10860, 158496), (11430, 150592), (11584, 148590), (11765, 146304), (12192, 141180), (12480, 137922), (13032, 132080), (13208, 130320), (14118, 121920), (14480, 118872), (14859, 115840), (14976, 114935), (15240, 112944), (16256, 105885), (16290, 105664), (16510, 104256), (17376, 99060), (18288, 94120), (18720, 91948), (18824, 91440), (19812, 86880), (20320, 84708), (21177, 81280), (21720, 79248), (22860, 75296), (22987, 74880), (23168, 74295), (23530, 73152), (24384, 70590), (24765, 69504), (24960, 68961), (26064, 66040), (26416, 65160), (28236, 60960), (28960, 59436), (29718, 57920), (30480, 56472), (32580, 52832), (33020, 52128), (34752, 49530), (35295, 48768), (36576, 47060), (37440, 45974), (37648, 45720), (39624, 43440), (40640, 42354)]