340248640

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2467}}^1$

素因数の和:2915

約数の個数: 56

約数和(自身を含む): 812426112

約数和(自身を除く): 472177472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1724, 2155, 2467, 3448, 4310, 4934, 6896, 8620, 9868, 12335, 13792, 17240, 19736, 24670, 27584, 34480, 39472, 49340, 68960, 78944, 98680, 137920, 157888, 197360, 394720, 789440, 1063277, 2126554, 4253108, 5316385, 8506216, 10632770, 17012432, 21265540, 34024864, 42531080, 68049728, 85062160, 170124320, 340248640]

約数ペア:

[(1, 340248640), (2, 170124320), (4, 85062160), (5, 68049728), (8, 42531080), (10, 34024864), (16, 21265540), (20, 17012432), (32, 10632770), (40, 8506216), (64, 5316385), (80, 4253108), (160, 2126554), (320, 1063277), (431, 789440), (862, 394720), (1724, 197360), (2155, 157888), (2467, 137920), (3448, 98680), (4310, 78944), (4934, 68960), (6896, 49340), (8620, 39472), (9868, 34480), (12335, 27584), (13792, 24670), (17240, 19736)]