771231680

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{22111}}^1$

素因数の和:22237

約数の個数: 56

約数和(自身を含む): 1853427840

約数和(自身を除く): 1082196160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 17440, 22111, 34880, 44222, 88444, 110555, 176888, 221110, 353776, 442220, 707552, 884440, 1415104, 1768880, 2410099, 3537760, 4820198, 7075520, 9640396, 12050495, 19280792, 24100990, 38561584, 48201980, 77123168, 96403960, 154246336, 192807920, 385615840, 771231680]

約数ペア:

[(1, 771231680), (2, 385615840), (4, 192807920), (5, 154246336), (8, 96403960), (10, 77123168), (16, 48201980), (20, 38561584), (32, 24100990), (40, 19280792), (64, 12050495), (80, 9640396), (109, 7075520), (160, 4820198), (218, 3537760), (320, 2410099), (436, 1768880), (545, 1415104), (872, 884440), (1090, 707552), (1744, 442220), (2180, 353776), (3488, 221110), (4360, 176888), (6976, 110555), (8720, 88444), (17440, 44222), (22111, 34880)]