285890080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{255259}}^1$

素因数の和:255281

約数の個数: 48

約数和(自身を含む): 771906240

約数和(自身を除く): 486016160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 255259, 510518, 1021036, 1276295, 1786813, 2042072, 2552590, 3573626, 4084144, 5105180, 7147252, 8168288, 8934065, 10210360, 14294504, 17868130, 20420720, 28589008, 35736260, 40841440, 57178016, 71472520, 142945040, 285890080]

約数ペア:

[(1, 285890080), (2, 142945040), (4, 71472520), (5, 57178016), (7, 40841440), (8, 35736260), (10, 28589008), (14, 20420720), (16, 17868130), (20, 14294504), (28, 10210360), (32, 8934065), (35, 8168288), (40, 7147252), (56, 5105180), (70, 4084144), (80, 3573626), (112, 2552590), (140, 2042072), (160, 1786813), (224, 1276295), (280, 1021036), (560, 510518), (1120, 255259)]