64158660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{827}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 195302016

約数和(自身を除く): 131143356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 827, 862, 1293, 1654, 1724, 2155, 2481, 2586, 3308, 3879, 4135, 4310, 4962, 5172, 6465, 7443, 7758, 8270, 8620, 9924, 12405, 12930, 14886, 15516, 16540, 19395, 24810, 25860, 29772, 37215, 38790, 49620, 74430, 77580, 148860, 356437, 712874, 1069311, 1425748, 1782185, 2138622, 3207933, 3564370, 4277244, 5346555, 6415866, 7128740, 10693110, 12831732, 16039665, 21386220, 32079330, 64158660]

約数ペア:

[(1, 64158660), (2, 32079330), (3, 21386220), (4, 16039665), (5, 12831732), (6, 10693110), (9, 7128740), (10, 6415866), (12, 5346555), (15, 4277244), (18, 3564370), (20, 3207933), (30, 2138622), (36, 1782185), (45, 1425748), (60, 1069311), (90, 712874), (180, 356437), (431, 148860), (827, 77580), (862, 74430), (1293, 49620), (1654, 38790), (1724, 37215), (2155, 29772), (2481, 25860), (2586, 24810), (3308, 19395), (3879, 16540), (4135, 15516), (4310, 14886), (4962, 12930), (5172, 12405), (6465, 9924), (7443, 8620), (7758, 8270)]