257430960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{39727}}^1$

素因数の和:39752

約数の個数: 100

約数和(自身を含む): 894118368

約数和(自身を除く): 636687408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 39727, 79454, 119181, 158908, 198635, 238362, 317816, 357543, 397270, 476724, 595905, 635632, 715086, 794540, 953448, 1072629, 1191810, 1430172, 1589080, 1787715, 1906896, 2145258, 2383620, 2860344, 3178160, 3217887, 3575430, 4290516, 4767240, 5363145, 5720688, 6435774, 7150860, 8581032, 9534480, 10726290, 12871548, 14301720, 16089435, 17162064, 21452580, 25743096, 28603440, 32178870, 42905160, 51486192, 64357740, 85810320, 128715480, 257430960]

約数ペア:

[(1, 257430960), (2, 128715480), (3, 85810320), (4, 64357740), (5, 51486192), (6, 42905160), (8, 32178870), (9, 28603440), (10, 25743096), (12, 21452580), (15, 17162064), (16, 16089435), (18, 14301720), (20, 12871548), (24, 10726290), (27, 9534480), (30, 8581032), (36, 7150860), (40, 6435774), (45, 5720688), (48, 5363145), (54, 4767240), (60, 4290516), (72, 3575430), (80, 3217887), (81, 3178160), (90, 2860344), (108, 2383620), (120, 2145258), (135, 1906896), (144, 1787715), (162, 1589080), (180, 1430172), (216, 1191810), (240, 1072629), (270, 953448), (324, 794540), (360, 715086), (405, 635632), (432, 595905), (540, 476724), (648, 397270), (720, 357543), (810, 317816), (1080, 238362), (1296, 198635), (1620, 158908), (2160, 119181), (3240, 79454), (6480, 39727)]