138676720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 406973952

約数和(自身を除く): 268297232

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 260, 280, 301, 344, 364, 430, 443, 455, 520, 559, 560, 602, 688, 728, 860, 886, 910, 1040, 1118, 1204, 1456, 1505, 1720, 1772, 1820, 2215, 2236, 2408, 2795, 3010, 3101, 3440, 3544, 3640, 3913, 4430, 4472, 4816, 5590, 5759, 6020, 6202, 7088, 7280, 7826, 8860, 8944, 11180, 11518, 12040, 12404, 15505, 15652, 17720, 19049, 19565, 22360, 23036, 24080, 24808, 28795, 31010, 31304, 35440, 38098, 39130, 40313, 44720, 46072, 49616, 57590, 62020, 62608, 76196, 78260, 80626, 92144, 95245, 115180, 124040, 133343, 152392, 156520, 161252, 190490, 201565, 230360, 247637, 248080, 266686, 304784, 313040, 322504, 380980, 403130, 460720, 495274, 533372, 645008, 666715, 761960, 806260, 990548, 1066744, 1238185, 1333430, 1523920, 1612520, 1733459, 1981096, 2133488, 2476370, 2666860, 3225040, 3466918, 3962192, 4952740, 5333720, 6933836, 8667295, 9905480, 10667440, 13867672, 17334590, 19810960, 27735344, 34669180, 69338360, 138676720]

約数ペア:

[(1, 138676720), (2, 69338360), (4, 34669180), (5, 27735344), (7, 19810960), (8, 17334590), (10, 13867672), (13, 10667440), (14, 9905480), (16, 8667295), (20, 6933836), (26, 5333720), (28, 4952740), (35, 3962192), (40, 3466918), (43, 3225040), (52, 2666860), (56, 2476370), (65, 2133488), (70, 1981096), (80, 1733459), (86, 1612520), (91, 1523920), (104, 1333430), (112, 1238185), (130, 1066744), (140, 990548), (172, 806260), (182, 761960), (208, 666715), (215, 645008), (260, 533372), (280, 495274), (301, 460720), (344, 403130), (364, 380980), (430, 322504), (443, 313040), (455, 304784), (520, 266686), (559, 248080), (560, 247637), (602, 230360), (688, 201565), (728, 190490), (860, 161252), (886, 156520), (910, 152392), (1040, 133343), (1118, 124040), (1204, 115180), (1456, 95245), (1505, 92144), (1720, 80626), (1772, 78260), (1820, 76196), (2215, 62608), (2236, 62020), (2408, 57590), (2795, 49616), (3010, 46072), (3101, 44720), (3440, 40313), (3544, 39130), (3640, 38098), (3913, 35440), (4430, 31304), (4472, 31010), (4816, 28795), (5590, 24808), (5759, 24080), (6020, 23036), (6202, 22360), (7088, 19565), (7280, 19049), (7826, 17720), (8860, 15652), (8944, 15505), (11180, 12404), (11518, 12040)]