8448893440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2162

約数の個数: 160

約数和(自身を含む): 21998592000

約数和(自身を除く): 13549698560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 512, 520, 635, 640, 832, 1016, 1040, 1270, 1280, 1651, 1664, 1999, 2032, 2080, 2540, 2560, 3302, 3328, 3998, 4064, 4160, 5080, 6604, 6656, 7996, 8128, 8255, 8320, 9995, 10160, 13208, 15992, 16256, 16510, 16640, 19990, 20320, 25987, 26416, 31984, 32512, 33020, 33280, 39980, 40640, 51974, 52832, 63968, 65024, 66040, 79960, 81280, 103948, 105664, 127936, 129935, 132080, 159920, 162560, 207896, 211328, 253873, 255872, 259870, 264160, 319840, 325120, 415792, 422656, 507746, 511744, 519740, 528320, 639680, 831584, 845312, 1015492, 1023488, 1039480, 1056640, 1269365, 1279360, 1663168, 2030984, 2078960, 2113280, 2538730, 2558720, 3300349, 3326336, 4061968, 4157920, 4226560, 5077460, 5117440, 6600698, 6652672, 8123936, 8315840, 10154920, 13201396, 13305344, 16247872, 16501745, 16631680, 20309840, 26402792, 32495744, 33003490, 33263360, 40619680, 52805584, 64991488, 66006980, 66526720, 81239360, 105611168, 129982976, 132013960, 162478720, 211222336, 264027920, 324957440, 422444672, 528055840, 649914880, 844889344, 1056111680, 1689778688, 2112223360, 4224446720, 8448893440]

約数ペア:

[(1, 8448893440), (2, 4224446720), (4, 2112223360), (5, 1689778688), (8, 1056111680), (10, 844889344), (13, 649914880), (16, 528055840), (20, 422444672), (26, 324957440), (32, 264027920), (40, 211222336), (52, 162478720), (64, 132013960), (65, 129982976), (80, 105611168), (104, 81239360), (127, 66526720), (128, 66006980), (130, 64991488), (160, 52805584), (208, 40619680), (254, 33263360), (256, 33003490), (260, 32495744), (320, 26402792), (416, 20309840), (508, 16631680), (512, 16501745), (520, 16247872), (635, 13305344), (640, 13201396), (832, 10154920), (1016, 8315840), (1040, 8123936), (1270, 6652672), (1280, 6600698), (1651, 5117440), (1664, 5077460), (1999, 4226560), (2032, 4157920), (2080, 4061968), (2540, 3326336), (2560, 3300349), (3302, 2558720), (3328, 2538730), (3998, 2113280), (4064, 2078960), (4160, 2030984), (5080, 1663168), (6604, 1279360), (6656, 1269365), (7996, 1056640), (8128, 1039480), (8255, 1023488), (8320, 1015492), (9995, 845312), (10160, 831584), (13208, 639680), (15992, 528320), (16256, 519740), (16510, 511744), (16640, 507746), (19990, 422656), (20320, 415792), (25987, 325120), (26416, 319840), (31984, 264160), (32512, 259870), (33020, 255872), (33280, 253873), (39980, 211328), (40640, 207896), (51974, 162560), (52832, 159920), (63968, 132080), (65024, 129935), (66040, 127936), (79960, 105664), (81280, 103948)]