2478985040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{14143}}^1$

素因数の和:14476

約数の個数: 80

約数和(自身を含む): 6608529408

約数和(自身を除く): 4129544368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 560, 626, 1252, 1565, 2191, 2504, 3130, 4382, 5008, 6260, 8764, 10955, 12520, 14143, 17528, 21910, 25040, 28286, 35056, 43820, 56572, 70715, 87640, 99001, 113144, 141430, 175280, 198002, 226288, 282860, 396004, 495005, 565720, 792008, 990010, 1131440, 1584016, 1980020, 3960040, 4426759, 7920080, 8853518, 17707036, 22133795, 30987313, 35414072, 44267590, 61974626, 70828144, 88535180, 123949252, 154936565, 177070360, 247898504, 309873130, 354140720, 495797008, 619746260, 1239492520, 2478985040]

約数ペア:

[(1, 2478985040), (2, 1239492520), (4, 619746260), (5, 495797008), (7, 354140720), (8, 309873130), (10, 247898504), (14, 177070360), (16, 154936565), (20, 123949252), (28, 88535180), (35, 70828144), (40, 61974626), (56, 44267590), (70, 35414072), (80, 30987313), (112, 22133795), (140, 17707036), (280, 8853518), (313, 7920080), (560, 4426759), (626, 3960040), (1252, 1980020), (1565, 1584016), (2191, 1131440), (2504, 990010), (3130, 792008), (4382, 565720), (5008, 495005), (6260, 396004), (8764, 282860), (10955, 226288), (12520, 198002), (14143, 175280), (17528, 141430), (21910, 113144), (25040, 99001), (28286, 87640), (35056, 70715), (43820, 56572)]