1389324894080

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1\times {\mathrm{32117}}^1$

素因数の和:32656

約数の個数: 128

約数和(自身を含む): 3347060460480

約数和(自身を除く): 1957735566400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 263, 320, 514, 526, 640, 1028, 1052, 1285, 1315, 2056, 2104, 2570, 2630, 4112, 4208, 5140, 5260, 8224, 8416, 10280, 10520, 16448, 16832, 20560, 21040, 32117, 32896, 33664, 41120, 42080, 64234, 67591, 82240, 84160, 128468, 135182, 160585, 164480, 168320, 256936, 270364, 321170, 337955, 513872, 540728, 642340, 675910, 1027744, 1081456, 1284680, 1351820, 2055488, 2162912, 2569360, 2703640, 4110976, 4325824, 5138720, 5407280, 8254069, 8446771, 8651648, 10277440, 10814560, 16508138, 16893542, 20554880, 21629120, 33016276, 33787084, 41270345, 42233855, 43258240, 66032552, 67574168, 82540690, 84467710, 132065104, 135148336, 165081380, 168935420, 264130208, 270296672, 330162760, 337870840, 528260416, 540593344, 660325520, 675741680, 1056520832, 1081186688, 1320651040, 1351483360, 2170820147, 2641302080, 2702966720, 4341640294, 5282604160, 5405933440, 8683280588, 10854100735, 17366561176, 21708201470, 34733122352, 43416402940, 69466244704, 86832805880, 138932489408, 173665611760, 277864978816, 347331223520, 694662447040, 1389324894080]

約数ペア:

[(1, 1389324894080), (2, 694662447040), (4, 347331223520), (5, 277864978816), (8, 173665611760), (10, 138932489408), (16, 86832805880), (20, 69466244704), (32, 43416402940), (40, 34733122352), (64, 21708201470), (80, 17366561176), (128, 10854100735), (160, 8683280588), (257, 5405933440), (263, 5282604160), (320, 4341640294), (514, 2702966720), (526, 2641302080), (640, 2170820147), (1028, 1351483360), (1052, 1320651040), (1285, 1081186688), (1315, 1056520832), (2056, 675741680), (2104, 660325520), (2570, 540593344), (2630, 528260416), (4112, 337870840), (4208, 330162760), (5140, 270296672), (5260, 264130208), (8224, 168935420), (8416, 165081380), (10280, 135148336), (10520, 132065104), (16448, 84467710), (16832, 82540690), (20560, 67574168), (21040, 66032552), (32117, 43258240), (32896, 42233855), (33664, 41270345), (41120, 33787084), (42080, 33016276), (64234, 21629120), (67591, 20554880), (82240, 16893542), (84160, 16508138), (128468, 10814560), (135182, 10277440), (160585, 8651648), (164480, 8446771), (168320, 8254069), (256936, 5407280), (270364, 5138720), (321170, 4325824), (337955, 4110976), (513872, 2703640), (540728, 2569360), (642340, 2162912), (675910, 2055488), (1027744, 1351820), (1081456, 1284680)]