209795280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:789

約数の個数: 160

約数和(自身を含む): 689420160

約数和(自身を除く): 479624880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 43, 48, 58, 60, 80, 86, 87, 116, 120, 129, 145, 172, 174, 215, 232, 240, 258, 290, 344, 348, 430, 435, 464, 516, 580, 645, 688, 696, 701, 860, 870, 1032, 1160, 1247, 1290, 1392, 1402, 1720, 1740, 2064, 2103, 2320, 2494, 2580, 2804, 3440, 3480, 3505, 3741, 4206, 4988, 5160, 5608, 6235, 6960, 7010, 7482, 8412, 9976, 10320, 10515, 11216, 12470, 14020, 14964, 16824, 18705, 19952, 20329, 21030, 24940, 28040, 29928, 30143, 33648, 37410, 40658, 42060, 49880, 56080, 59856, 60286, 60987, 74820, 81316, 84120, 90429, 99760, 101645, 120572, 121974, 149640, 150715, 162632, 168240, 180858, 203290, 241144, 243948, 299280, 301430, 304935, 325264, 361716, 406580, 452145, 482288, 487896, 602860, 609870, 723432, 813160, 874147, 904290, 975792, 1205720, 1219740, 1446864, 1626320, 1748294, 1808580, 2411440, 2439480, 2622441, 3496588, 3617160, 4370735, 4878960, 5244882, 6993176, 7234320, 8741470, 10489764, 13112205, 13986352, 17482940, 20979528, 26224410, 34965880, 41959056, 52448820, 69931760, 104897640, 209795280]

約数ペア:

[(1, 209795280), (2, 104897640), (3, 69931760), (4, 52448820), (5, 41959056), (6, 34965880), (8, 26224410), (10, 20979528), (12, 17482940), (15, 13986352), (16, 13112205), (20, 10489764), (24, 8741470), (29, 7234320), (30, 6993176), (40, 5244882), (43, 4878960), (48, 4370735), (58, 3617160), (60, 3496588), (80, 2622441), (86, 2439480), (87, 2411440), (116, 1808580), (120, 1748294), (129, 1626320), (145, 1446864), (172, 1219740), (174, 1205720), (215, 975792), (232, 904290), (240, 874147), (258, 813160), (290, 723432), (344, 609870), (348, 602860), (430, 487896), (435, 482288), (464, 452145), (516, 406580), (580, 361716), (645, 325264), (688, 304935), (696, 301430), (701, 299280), (860, 243948), (870, 241144), (1032, 203290), (1160, 180858), (1247, 168240), (1290, 162632), (1392, 150715), (1402, 149640), (1720, 121974), (1740, 120572), (2064, 101645), (2103, 99760), (2320, 90429), (2494, 84120), (2580, 81316), (2804, 74820), (3440, 60987), (3480, 60286), (3505, 59856), (3741, 56080), (4206, 49880), (4988, 42060), (5160, 40658), (5608, 37410), (6235, 33648), (6960, 30143), (7010, 29928), (7482, 28040), (8412, 24940), (9976, 21030), (10320, 20329), (10515, 19952), (11216, 18705), (12470, 16824), (14020, 14964)]