313675520

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{911}}^1$

素因数の和:1201

約数の個数: 72

約数和(自身を含む): 754971840

約数和(自身を除く): 441296320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 538, 640, 911, 1076, 1280, 1345, 1822, 2152, 2690, 3644, 4304, 4555, 5380, 7288, 8608, 9110, 10760, 14576, 17216, 18220, 21520, 29152, 34432, 36440, 43040, 58304, 68864, 72880, 86080, 116608, 145760, 172160, 233216, 245059, 291520, 344320, 490118, 583040, 980236, 1166080, 1225295, 1960472, 2450590, 3920944, 4901180, 7841888, 9802360, 15683776, 19604720, 31367552, 39209440, 62735104, 78418880, 156837760, 313675520]

約数ペア:

[(1, 313675520), (2, 156837760), (4, 78418880), (5, 62735104), (8, 39209440), (10, 31367552), (16, 19604720), (20, 15683776), (32, 9802360), (40, 7841888), (64, 4901180), (80, 3920944), (128, 2450590), (160, 1960472), (256, 1225295), (269, 1166080), (320, 980236), (538, 583040), (640, 490118), (911, 344320), (1076, 291520), (1280, 245059), (1345, 233216), (1822, 172160), (2152, 145760), (2690, 116608), (3644, 86080), (4304, 72880), (4555, 68864), (5380, 58304), (7288, 43040), (8608, 36440), (9110, 34432), (10760, 29152), (14576, 21520), (17216, 18220)]