127914880

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 307346400

約数和(自身を除く): 179431520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 538, 640, 743, 1076, 1345, 1486, 2152, 2690, 2972, 3715, 4304, 5380, 5944, 7430, 8608, 10760, 11888, 14860, 17216, 21520, 23776, 29720, 34432, 43040, 47552, 59440, 86080, 95104, 118880, 172160, 199867, 237760, 399734, 475520, 799468, 999335, 1598936, 1998670, 3197872, 3997340, 6395744, 7994680, 12791488, 15989360, 25582976, 31978720, 63957440, 127914880]

約数ペア:

[(1, 127914880), (2, 63957440), (4, 31978720), (5, 25582976), (8, 15989360), (10, 12791488), (16, 7994680), (20, 6395744), (32, 3997340), (40, 3197872), (64, 1998670), (80, 1598936), (128, 999335), (160, 799468), (269, 475520), (320, 399734), (538, 237760), (640, 199867), (743, 172160), (1076, 118880), (1345, 95104), (1486, 86080), (2152, 59440), (2690, 47552), (2972, 43040), (3715, 34432), (4304, 29720), (5380, 23776), (5944, 21520), (7430, 17216), (8608, 14860), (10760, 11888)]