201808576720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{351779}}^1$

素因数の和:351964

約数の個数: 80

約数和(自身を含む): 480525851520

約数和(自身を除く): 278717274800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 101, 142, 202, 284, 355, 404, 505, 568, 710, 808, 1010, 1136, 1420, 1616, 2020, 2840, 4040, 5680, 7171, 8080, 14342, 28684, 35855, 57368, 71710, 114736, 143420, 286840, 351779, 573680, 703558, 1407116, 1758895, 2814232, 3517790, 5628464, 7035580, 14071160, 24976309, 28142320, 35529679, 49952618, 71059358, 99905236, 124881545, 142118716, 177648395, 199810472, 249763090, 284237432, 355296790, 399620944, 499526180, 568474864, 710593580, 999052360, 1421187160, 1998104720, 2522607209, 2842374320, 5045214418, 10090428836, 12613036045, 20180857672, 25226072090, 40361715344, 50452144180, 100904288360, 201808576720]

約数ペア:

[(1, 201808576720), (2, 100904288360), (4, 50452144180), (5, 40361715344), (8, 25226072090), (10, 20180857672), (16, 12613036045), (20, 10090428836), (40, 5045214418), (71, 2842374320), (80, 2522607209), (101, 1998104720), (142, 1421187160), (202, 999052360), (284, 710593580), (355, 568474864), (404, 499526180), (505, 399620944), (568, 355296790), (710, 284237432), (808, 249763090), (1010, 199810472), (1136, 177648395), (1420, 142118716), (1616, 124881545), (2020, 99905236), (2840, 71059358), (4040, 49952618), (5680, 35529679), (7171, 28142320), (8080, 24976309), (14342, 14071160), (28684, 7035580), (35855, 5628464), (57368, 3517790), (71710, 2814232), (114736, 1758895), (143420, 1407116), (286840, 703558), (351779, 573680)]