205411080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2521}}^1$

素因数の和:2639

約数の個数: 128

約数和(自身を含む): 711809280

約数和(自身を除く): 506398200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2521, 2716, 2910, 3395, 3880, 4074, 5042, 5432, 5820, 6790, 7563, 8148, 10084, 10185, 11640, 12605, 13580, 15126, 16296, 17647, 20168, 20370, 25210, 27160, 30252, 35294, 37815, 40740, 50420, 52941, 60504, 70588, 75630, 81480, 88235, 100840, 105882, 141176, 151260, 176470, 211764, 244537, 264705, 302520, 352940, 423528, 489074, 529410, 705880, 733611, 978148, 1058820, 1222685, 1467222, 1711759, 1956296, 2117640, 2445370, 2934444, 3423518, 3668055, 4890740, 5135277, 5868888, 6847036, 7336110, 8558795, 9781480, 10270554, 13694072, 14672220, 17117590, 20541108, 25676385, 29344440, 34235180, 41082216, 51352770, 68470360, 102705540, 205411080]

約数ペア:

[(1, 205411080), (2, 102705540), (3, 68470360), (4, 51352770), (5, 41082216), (6, 34235180), (7, 29344440), (8, 25676385), (10, 20541108), (12, 17117590), (14, 14672220), (15, 13694072), (20, 10270554), (21, 9781480), (24, 8558795), (28, 7336110), (30, 6847036), (35, 5868888), (40, 5135277), (42, 4890740), (56, 3668055), (60, 3423518), (70, 2934444), (84, 2445370), (97, 2117640), (105, 1956296), (120, 1711759), (140, 1467222), (168, 1222685), (194, 1058820), (210, 978148), (280, 733611), (291, 705880), (388, 529410), (420, 489074), (485, 423528), (582, 352940), (679, 302520), (776, 264705), (840, 244537), (970, 211764), (1164, 176470), (1358, 151260), (1455, 141176), (1940, 105882), (2037, 100840), (2328, 88235), (2521, 81480), (2716, 75630), (2910, 70588), (3395, 60504), (3880, 52941), (4074, 50420), (5042, 40740), (5432, 37815), (5820, 35294), (6790, 30252), (7563, 27160), (8148, 25210), (10084, 20370), (10185, 20168), (11640, 17647), (12605, 16296), (13580, 15126)]