66798080

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 162411480

約数和(自身を除く): 95613400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 269, 320, 388, 485, 512, 538, 640, 776, 970, 1076, 1280, 1345, 1552, 1940, 2152, 2560, 2690, 3104, 3880, 4304, 5380, 6208, 7760, 8608, 10760, 12416, 15520, 17216, 21520, 24832, 26093, 31040, 34432, 43040, 49664, 52186, 62080, 68864, 86080, 104372, 124160, 130465, 137728, 172160, 208744, 248320, 260930, 344320, 417488, 521860, 688640, 834976, 1043720, 1669952, 2087440, 3339904, 4174880, 6679808, 8349760, 13359616, 16699520, 33399040, 66798080]

約数ペア:

[(1, 66798080), (2, 33399040), (4, 16699520), (5, 13359616), (8, 8349760), (10, 6679808), (16, 4174880), (20, 3339904), (32, 2087440), (40, 1669952), (64, 1043720), (80, 834976), (97, 688640), (128, 521860), (160, 417488), (194, 344320), (256, 260930), (269, 248320), (320, 208744), (388, 172160), (485, 137728), (512, 130465), (538, 124160), (640, 104372), (776, 86080), (970, 68864), (1076, 62080), (1280, 52186), (1345, 49664), (1552, 43040), (1940, 34432), (2152, 31040), (2560, 26093), (2690, 24832), (3104, 21520), (3880, 17216), (4304, 15520), (5380, 12416), (6208, 10760), (7760, 8608)]