81360730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 166053888

約数和(自身を除く): 84693158

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 103, 110, 167, 206, 215, 334, 430, 473, 515, 835, 946, 1030, 1133, 1670, 1837, 2266, 2365, 3674, 4429, 4730, 5665, 7181, 8858, 9185, 11330, 14362, 17201, 18370, 22145, 34402, 35905, 44290, 48719, 71810, 78991, 86005, 97438, 157982, 172010, 189211, 243595, 378422, 394955, 487190, 739643, 789910, 946055, 1479286, 1892110, 3698215, 7396430, 8136073, 16272146, 40680365, 81360730]

約数ペア:

[(1, 81360730), (2, 40680365), (5, 16272146), (10, 8136073), (11, 7396430), (22, 3698215), (43, 1892110), (55, 1479286), (86, 946055), (103, 789910), (110, 739643), (167, 487190), (206, 394955), (215, 378422), (334, 243595), (430, 189211), (473, 172010), (515, 157982), (835, 97438), (946, 86005), (1030, 78991), (1133, 71810), (1670, 48719), (1837, 44290), (2266, 35905), (2365, 34402), (3674, 22145), (4429, 18370), (4730, 17201), (5665, 14362), (7181, 11330), (8858, 9185)]