685024640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 1725105600

約数和(自身を除く): 1040080960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 173, 184, 230, 269, 320, 346, 368, 460, 538, 640, 692, 736, 865, 920, 1076, 1345, 1384, 1472, 1730, 1840, 2152, 2690, 2768, 2944, 3460, 3680, 3979, 4304, 5380, 5536, 6187, 6920, 7360, 7958, 8608, 10760, 11072, 12374, 13840, 14720, 15916, 17216, 19895, 21520, 22144, 24748, 27680, 30935, 31832, 34432, 39790, 43040, 46537, 49496, 55360, 61870, 63664, 79580, 86080, 93074, 98992, 110720, 123740, 127328, 159160, 172160, 186148, 197984, 232685, 247480, 254656, 318320, 372296, 395968, 465370, 494960, 509312, 636640, 744592, 791936, 930740, 989920, 1070351, 1273280, 1489184, 1861480, 1979840, 2140702, 2546560, 2978368, 3722960, 3959680, 4281404, 5351755, 5956736, 7445920, 8562808, 10703510, 14891840, 17125616, 21407020, 29783680, 34251232, 42814040, 68502464, 85628080, 137004928, 171256160, 342512320, 685024640]

約数ペア:

[(1, 685024640), (2, 342512320), (4, 171256160), (5, 137004928), (8, 85628080), (10, 68502464), (16, 42814040), (20, 34251232), (23, 29783680), (32, 21407020), (40, 17125616), (46, 14891840), (64, 10703510), (80, 8562808), (92, 7445920), (115, 5956736), (128, 5351755), (160, 4281404), (173, 3959680), (184, 3722960), (230, 2978368), (269, 2546560), (320, 2140702), (346, 1979840), (368, 1861480), (460, 1489184), (538, 1273280), (640, 1070351), (692, 989920), (736, 930740), (865, 791936), (920, 744592), (1076, 636640), (1345, 509312), (1384, 494960), (1472, 465370), (1730, 395968), (1840, 372296), (2152, 318320), (2690, 254656), (2768, 247480), (2944, 232685), (3460, 197984), (3680, 186148), (3979, 172160), (4304, 159160), (5380, 127328), (5536, 123740), (6187, 110720), (6920, 98992), (7360, 93074), (7958, 86080), (8608, 79580), (10760, 63664), (11072, 61870), (12374, 55360), (13840, 49496), (14720, 46537), (15916, 43040), (17216, 39790), (19895, 34432), (21520, 31832), (22144, 30935), (24748, 27680)]