16390680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 49580640

約数和(自身を除く): 33189960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 997, 1096, 1370, 1644, 1994, 2055, 2740, 2991, 3288, 3988, 4110, 4985, 5480, 5982, 7976, 8220, 9970, 11964, 14955, 16440, 19940, 23928, 29910, 39880, 59820, 119640, 136589, 273178, 409767, 546356, 682945, 819534, 1092712, 1365890, 1639068, 2048835, 2731780, 3278136, 4097670, 5463560, 8195340, 16390680]

約数ペア:

[(1, 16390680), (2, 8195340), (3, 5463560), (4, 4097670), (5, 3278136), (6, 2731780), (8, 2048835), (10, 1639068), (12, 1365890), (15, 1092712), (20, 819534), (24, 682945), (30, 546356), (40, 409767), (60, 273178), (120, 136589), (137, 119640), (274, 59820), (411, 39880), (548, 29910), (685, 23928), (822, 19940), (997, 16440), (1096, 14955), (1370, 11964), (1644, 9970), (1994, 8220), (2055, 7976), (2740, 5982), (2991, 5480), (3288, 4985), (3988, 4110)]