20179480960

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1\times {\mathrm{631}}^1$

素因数の和:1224

約数の個数: 128

約数和(自身を含む): 48874026240

約数和(自身を除く): 28694545280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 467, 535, 631, 640, 856, 934, 1070, 1262, 1712, 1868, 2140, 2335, 2524, 3155, 3424, 3736, 4280, 4670, 5048, 6310, 6848, 7472, 8560, 9340, 10096, 12620, 13696, 14944, 17120, 18680, 20192, 25240, 29888, 34240, 37360, 40384, 49969, 50480, 59776, 67517, 68480, 74720, 80768, 99938, 100960, 135034, 149440, 199876, 201920, 249845, 270068, 294677, 298880, 337585, 399752, 403840, 499690, 540136, 589354, 675170, 799504, 999380, 1080272, 1178708, 1350340, 1473385, 1599008, 1998760, 2160544, 2357416, 2700680, 2946770, 3198016, 3997520, 4321088, 4714832, 5401360, 5893540, 6396032, 7995040, 8642176, 9429664, 10802720, 11787080, 15990080, 18859328, 21605440, 23574160, 31530439, 31980160, 37718656, 43210880, 47148320, 63060878, 94296640, 126121756, 157652195, 188593280, 252243512, 315304390, 504487024, 630608780, 1008974048, 1261217560, 2017948096, 2522435120, 4035896192, 5044870240, 10089740480, 20179480960]

約数ペア:

[(1, 20179480960), (2, 10089740480), (4, 5044870240), (5, 4035896192), (8, 2522435120), (10, 2017948096), (16, 1261217560), (20, 1008974048), (32, 630608780), (40, 504487024), (64, 315304390), (80, 252243512), (107, 188593280), (128, 157652195), (160, 126121756), (214, 94296640), (320, 63060878), (428, 47148320), (467, 43210880), (535, 37718656), (631, 31980160), (640, 31530439), (856, 23574160), (934, 21605440), (1070, 18859328), (1262, 15990080), (1712, 11787080), (1868, 10802720), (2140, 9429664), (2335, 8642176), (2524, 7995040), (3155, 6396032), (3424, 5893540), (3736, 5401360), (4280, 4714832), (4670, 4321088), (5048, 3997520), (6310, 3198016), (6848, 2946770), (7472, 2700680), (8560, 2357416), (9340, 2160544), (10096, 1998760), (12620, 1599008), (13696, 1473385), (14944, 1350340), (17120, 1178708), (18680, 1080272), (20192, 999380), (25240, 799504), (29888, 675170), (34240, 589354), (37360, 540136), (40384, 499690), (49969, 403840), (50480, 399752), (59776, 337585), (67517, 298880), (68480, 294677), (74720, 270068), (80768, 249845), (99938, 201920), (100960, 199876), (135034, 149440)]