138894080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 380134944

約数和(自身を除く): 241240864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 272, 320, 340, 416, 442, 491, 520, 544, 640, 680, 832, 884, 982, 1040, 1088, 1105, 1280, 1360, 1664, 1768, 1964, 2080, 2176, 2210, 2455, 2720, 3328, 3536, 3928, 4160, 4352, 4420, 4910, 5440, 6383, 7072, 7856, 8320, 8347, 8840, 9820, 10880, 12766, 14144, 15712, 16640, 16694, 17680, 19640, 21760, 25532, 28288, 31424, 31915, 33388, 35360, 39280, 41735, 51064, 56576, 62848, 63830, 66776, 70720, 78560, 83470, 102128, 108511, 125696, 127660, 133552, 141440, 157120, 166940, 204256, 217022, 255320, 267104, 282880, 314240, 333880, 408512, 434044, 510640, 534208, 542555, 628480, 667760, 817024, 868088, 1021280, 1068416, 1085110, 1335520, 1634048, 1736176, 2042560, 2136832, 2170220, 2671040, 3472352, 4085120, 4340440, 5342080, 6944704, 8170240, 8680880, 10684160, 13889408, 17361760, 27778816, 34723520, 69447040, 138894080]

約数ペア:

[(1, 138894080), (2, 69447040), (4, 34723520), (5, 27778816), (8, 17361760), (10, 13889408), (13, 10684160), (16, 8680880), (17, 8170240), (20, 6944704), (26, 5342080), (32, 4340440), (34, 4085120), (40, 3472352), (52, 2671040), (64, 2170220), (65, 2136832), (68, 2042560), (80, 1736176), (85, 1634048), (104, 1335520), (128, 1085110), (130, 1068416), (136, 1021280), (160, 868088), (170, 817024), (208, 667760), (221, 628480), (256, 542555), (260, 534208), (272, 510640), (320, 434044), (340, 408512), (416, 333880), (442, 314240), (491, 282880), (520, 267104), (544, 255320), (640, 217022), (680, 204256), (832, 166940), (884, 157120), (982, 141440), (1040, 133552), (1088, 127660), (1105, 125696), (1280, 108511), (1360, 102128), (1664, 83470), (1768, 78560), (1964, 70720), (2080, 66776), (2176, 63830), (2210, 62848), (2455, 56576), (2720, 51064), (3328, 41735), (3536, 39280), (3928, 35360), (4160, 33388), (4352, 31915), (4420, 31424), (4910, 28288), (5440, 25532), (6383, 21760), (7072, 19640), (7856, 17680), (8320, 16694), (8347, 16640), (8840, 15712), (9820, 14144), (10880, 12766)]