208158080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 542868480

約数和(自身を除く): 334710400

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, 260, 320, 394, 416, 508, 520, 635, 640, 788, 832, 985, 1016, 1040, 1270, 1576, 1651, 1664, 1970, 2032, 2080, 2540, 2561, 3152, 3302, 3940, 4064, 4160, 5080, 5122, 6304, 6604, 7880, 8128, 8255, 8320, 10160, 10244, 12608, 12805, 13208, 15760, 16256, 16510, 20320, 20488, 25019, 25216, 25610, 26416, 31520, 33020, 40640, 40976, 50038, 51220, 52832, 63040, 66040, 81280, 81952, 100076, 102440, 105664, 125095, 126080, 132080, 163904, 200152, 204880, 211328, 250190, 264160, 325247, 327808, 400304, 409760, 500380, 528320, 650494, 800608, 819520, 1000760, 1056640, 1300988, 1601216, 1626235, 1639040, 2001520, 2601976, 3202432, 3252470, 4003040, 5203952, 6504940, 8006080, 10407904, 13009880, 16012160, 20815808, 26019760, 41631616, 52039520, 104079040, 208158080]

約数ペア:

[(1, 208158080), (2, 104079040), (4, 52039520), (5, 41631616), (8, 26019760), (10, 20815808), (13, 16012160), (16, 13009880), (20, 10407904), (26, 8006080), (32, 6504940), (40, 5203952), (52, 4003040), (64, 3252470), (65, 3202432), (80, 2601976), (104, 2001520), (127, 1639040), (128, 1626235), (130, 1601216), (160, 1300988), (197, 1056640), (208, 1000760), (254, 819520), (260, 800608), (320, 650494), (394, 528320), (416, 500380), (508, 409760), (520, 400304), (635, 327808), (640, 325247), (788, 264160), (832, 250190), (985, 211328), (1016, 204880), (1040, 200152), (1270, 163904), (1576, 132080), (1651, 126080), (1664, 125095), (1970, 105664), (2032, 102440), (2080, 100076), (2540, 81952), (2561, 81280), (3152, 66040), (3302, 63040), (3940, 52832), (4064, 51220), (4160, 50038), (5080, 40976), (5122, 40640), (6304, 33020), (6604, 31520), (7880, 26416), (8128, 25610), (8255, 25216), (8320, 25019), (10160, 20488), (10244, 20320), (12608, 16510), (12805, 16256), (13208, 15760)]