11823280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 32212224

約数和(自身を除く): 20388944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 491, 560, 602, 688, 860, 982, 1204, 1505, 1720, 1964, 2408, 2455, 3010, 3437, 3440, 3928, 4816, 4910, 6020, 6874, 7856, 9820, 12040, 13748, 17185, 19640, 21113, 24080, 27496, 34370, 39280, 42226, 54992, 68740, 84452, 105565, 137480, 147791, 168904, 211130, 274960, 295582, 337808, 422260, 591164, 738955, 844520, 1182328, 1477910, 1689040, 2364656, 2955820, 5911640, 11823280]

約数ペア:

[(1, 11823280), (2, 5911640), (4, 2955820), (5, 2364656), (7, 1689040), (8, 1477910), (10, 1182328), (14, 844520), (16, 738955), (20, 591164), (28, 422260), (35, 337808), (40, 295582), (43, 274960), (56, 211130), (70, 168904), (80, 147791), (86, 137480), (112, 105565), (140, 84452), (172, 68740), (215, 54992), (280, 42226), (301, 39280), (344, 34370), (430, 27496), (491, 24080), (560, 21113), (602, 19640), (688, 17185), (860, 13748), (982, 12040), (1204, 9820), (1505, 7856), (1720, 6874), (1964, 6020), (2408, 4910), (2455, 4816), (3010, 3928), (3437, 3440)]