2578046343680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1\times {\mathrm{16349}}^1$

素因数の和:18390

約数の個数: 160

約数和(自身を含む): 6384266380800

約数和(自身を除く): 3806220037120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 1987, 2480, 2560, 3968, 3974, 4960, 7936, 7948, 9920, 9935, 15872, 15896, 16349, 19840, 19870, 31792, 32698, 39680, 39740, 61597, 63584, 65396, 79360, 79480, 81745, 123194, 127168, 130792, 158960, 163490, 246388, 254336, 261584, 307985, 317920, 326980, 492776, 506819, 508672, 523168, 615970, 635840, 653960, 985552, 1013638, 1017344, 1046336, 1231940, 1271680, 1307920, 1971104, 2027276, 2092672, 2463880, 2534095, 2543360, 2615840, 3942208, 4054552, 4185344, 4927760, 5068190, 5086720, 5231680, 7884416, 8109104, 8370688, 9855520, 10136380, 10463360, 15768832, 16218208, 19711040, 20272760, 20926720, 31537664, 32436416, 32485463, 39422080, 40545520, 41853440, 64872832, 64970926, 78844160, 81091040, 129745664, 129941852, 157688320, 162182080, 162427315, 259491328, 259883704, 324364160, 324854630, 519767408, 648728320, 649709260, 1007049353, 1039534816, 1297456640, 1299418520, 2014098706, 2079069632, 2598837040, 4028197412, 4158139264, 5035246765, 5197674080, 8056394824, 8316278528, 10070493530, 10395348160, 16112789648, 16632557056, 20140987060, 20790696320, 32225579296, 40281974120, 41581392640, 64451158592, 80563948240, 83162785280, 128902317184, 161127896480, 257804634368, 322255792960, 515609268736, 644511585920, 1289023171840, 2578046343680]

約数ペア:

[(1, 2578046343680), (2, 1289023171840), (4, 644511585920), (5, 515609268736), (8, 322255792960), (10, 257804634368), (16, 161127896480), (20, 128902317184), (31, 83162785280), (32, 80563948240), (40, 64451158592), (62, 41581392640), (64, 40281974120), (80, 32225579296), (124, 20790696320), (128, 20140987060), (155, 16632557056), (160, 16112789648), (248, 10395348160), (256, 10070493530), (310, 8316278528), (320, 8056394824), (496, 5197674080), (512, 5035246765), (620, 4158139264), (640, 4028197412), (992, 2598837040), (1240, 2079069632), (1280, 2014098706), (1984, 1299418520), (1987, 1297456640), (2480, 1039534816), (2560, 1007049353), (3968, 649709260), (3974, 648728320), (4960, 519767408), (7936, 324854630), (7948, 324364160), (9920, 259883704), (9935, 259491328), (15872, 162427315), (15896, 162182080), (16349, 157688320), (19840, 129941852), (19870, 129745664), (31792, 81091040), (32698, 78844160), (39680, 64970926), (39740, 64872832), (61597, 41853440), (63584, 40545520), (65396, 39422080), (79360, 32485463), (79480, 32436416), (81745, 31537664), (123194, 20926720), (127168, 20272760), (130792, 19711040), (158960, 16218208), (163490, 15768832), (246388, 10463360), (254336, 10136380), (261584, 9855520), (307985, 8370688), (317920, 8109104), (326980, 7884416), (492776, 5231680), (506819, 5086720), (508672, 5068190), (523168, 4927760), (615970, 4185344), (635840, 4054552), (653960, 3942208), (985552, 2615840), (1013638, 2543360), (1017344, 2534095), (1046336, 2463880), (1231940, 2092672), (1271680, 2027276), (1307920, 1971104)]