3159640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 7983360

約数和(自身を除く): 4823720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 167, 172, 215, 220, 334, 344, 430, 440, 473, 668, 835, 860, 946, 1336, 1670, 1720, 1837, 1892, 2365, 3340, 3674, 3784, 4730, 6680, 7181, 7348, 9185, 9460, 14362, 14696, 18370, 18920, 28724, 35905, 36740, 57448, 71810, 73480, 78991, 143620, 157982, 287240, 315964, 394955, 631928, 789910, 1579820, 3159640]

約数ペア:

[(1, 3159640), (2, 1579820), (4, 789910), (5, 631928), (8, 394955), (10, 315964), (11, 287240), (20, 157982), (22, 143620), (40, 78991), (43, 73480), (44, 71810), (55, 57448), (86, 36740), (88, 35905), (110, 28724), (167, 18920), (172, 18370), (215, 14696), (220, 14362), (334, 9460), (344, 9185), (430, 7348), (440, 7181), (473, 6680), (668, 4730), (835, 3784), (860, 3674), (946, 3340), (1336, 2365), (1670, 1892), (1720, 1837)]