1665264640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 176

約数和(自身を含む): 4357850112

約数和(自身を除く): 2692585472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 197, 208, 254, 256, 260, 320, 394, 416, 508, 512, 520, 635, 640, 788, 832, 985, 1016, 1024, 1040, 1270, 1280, 1576, 1651, 1664, 1970, 2032, 2080, 2540, 2560, 2561, 3152, 3302, 3328, 3940, 4064, 4160, 5080, 5120, 5122, 6304, 6604, 6656, 7880, 8128, 8255, 8320, 10160, 10244, 12608, 12805, 13208, 13312, 15760, 16256, 16510, 16640, 20320, 20488, 25019, 25216, 25610, 26416, 31520, 32512, 33020, 33280, 40640, 40976, 50038, 50432, 51220, 52832, 63040, 65024, 66040, 66560, 81280, 81952, 100076, 100864, 102440, 105664, 125095, 126080, 130048, 132080, 162560, 163904, 200152, 201728, 204880, 211328, 250190, 252160, 264160, 325120, 325247, 327808, 400304, 409760, 422656, 500380, 504320, 528320, 650240, 650494, 655616, 800608, 819520, 845312, 1000760, 1008640, 1056640, 1300988, 1311232, 1601216, 1626235, 1639040, 1690624, 2001520, 2113280, 2601976, 2622464, 3202432, 3252470, 3278080, 4003040, 4226560, 5203952, 6404864, 6504940, 6556160, 8006080, 8453120, 10407904, 12809728, 13009880, 13112320, 16012160, 20815808, 25619456, 26019760, 32024320, 41631616, 52039520, 64048640, 83263232, 104079040, 128097280, 166526464, 208158080, 333052928, 416316160, 832632320, 1665264640]

約数ペア:

[(1, 1665264640), (2, 832632320), (4, 416316160), (5, 333052928), (8, 208158080), (10, 166526464), (13, 128097280), (16, 104079040), (20, 83263232), (26, 64048640), (32, 52039520), (40, 41631616), (52, 32024320), (64, 26019760), (65, 25619456), (80, 20815808), (104, 16012160), (127, 13112320), (128, 13009880), (130, 12809728), (160, 10407904), (197, 8453120), (208, 8006080), (254, 6556160), (256, 6504940), (260, 6404864), (320, 5203952), (394, 4226560), (416, 4003040), (508, 3278080), (512, 3252470), (520, 3202432), (635, 2622464), (640, 2601976), (788, 2113280), (832, 2001520), (985, 1690624), (1016, 1639040), (1024, 1626235), (1040, 1601216), (1270, 1311232), (1280, 1300988), (1576, 1056640), (1651, 1008640), (1664, 1000760), (1970, 845312), (2032, 819520), (2080, 800608), (2540, 655616), (2560, 650494), (2561, 650240), (3152, 528320), (3302, 504320), (3328, 500380), (3940, 422656), (4064, 409760), (4160, 400304), (5080, 327808), (5120, 325247), (5122, 325120), (6304, 264160), (6604, 252160), (6656, 250190), (7880, 211328), (8128, 204880), (8255, 201728), (8320, 200152), (10160, 163904), (10244, 162560), (12608, 132080), (12805, 130048), (13208, 126080), (13312, 125095), (15760, 105664), (16256, 102440), (16510, 100864), (16640, 100076), (20320, 81952), (20488, 81280), (25019, 66560), (25216, 66040), (25610, 65024), (26416, 63040), (31520, 52832), (32512, 51220), (33020, 50432), (33280, 50038), (40640, 40976)]