201771520

素因数分解:

$2^9\times 5^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:585

約数の個数: 80

約数和(自身を含む): 487234440

約数和(自身を除く): 285462920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 293, 320, 512, 538, 586, 640, 1076, 1172, 1280, 1345, 1465, 2152, 2344, 2560, 2690, 2930, 4304, 4688, 5380, 5860, 8608, 9376, 10760, 11720, 17216, 18752, 21520, 23440, 34432, 37504, 43040, 46880, 68864, 75008, 78817, 86080, 93760, 137728, 150016, 157634, 172160, 187520, 315268, 344320, 375040, 394085, 630536, 688640, 750080, 788170, 1261072, 1576340, 2522144, 3152680, 5044288, 6305360, 10088576, 12610720, 20177152, 25221440, 40354304, 50442880, 100885760, 201771520]

約数ペア:

[(1, 201771520), (2, 100885760), (4, 50442880), (5, 40354304), (8, 25221440), (10, 20177152), (16, 12610720), (20, 10088576), (32, 6305360), (40, 5044288), (64, 3152680), (80, 2522144), (128, 1576340), (160, 1261072), (256, 788170), (269, 750080), (293, 688640), (320, 630536), (512, 394085), (538, 375040), (586, 344320), (640, 315268), (1076, 187520), (1172, 172160), (1280, 157634), (1345, 150016), (1465, 137728), (2152, 93760), (2344, 86080), (2560, 78817), (2690, 75008), (2930, 68864), (4304, 46880), (4688, 43040), (5380, 37504), (5860, 34432), (8608, 23440), (9376, 21520), (10760, 18752), (11720, 17216)]