64791680

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1597

約数の個数: 64

約数和(自身を含む): 157308480

約数和(自身を除く): 92516800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1511, 2144, 2680, 3022, 4288, 5360, 6044, 7555, 8576, 10720, 12088, 15110, 21440, 24176, 30220, 42880, 48352, 60440, 96704, 101237, 120880, 193408, 202474, 241760, 404948, 483520, 506185, 809896, 967040, 1012370, 1619792, 2024740, 3239584, 4049480, 6479168, 8098960, 12958336, 16197920, 32395840, 64791680]

約数ペア:

[(1, 64791680), (2, 32395840), (4, 16197920), (5, 12958336), (8, 8098960), (10, 6479168), (16, 4049480), (20, 3239584), (32, 2024740), (40, 1619792), (64, 1012370), (67, 967040), (80, 809896), (128, 506185), (134, 483520), (160, 404948), (268, 241760), (320, 202474), (335, 193408), (536, 120880), (640, 101237), (670, 96704), (1072, 60440), (1340, 48352), (1511, 42880), (2144, 30220), (2680, 24176), (3022, 21440), (4288, 15110), (5360, 12088), (6044, 10720), (7555, 8576)]