255138840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3438

約数の個数: 192

約数和(自身を含む): 952473600

約数和(自身を除く): 697334760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 570, 627, 660, 684, 760, 792, 836, 855, 990, 1045, 1140, 1254, 1320, 1368, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 3135, 3391, 3420, 3762, 3960, 4180, 5016, 6270, 6782, 6840, 7524, 8360, 9405, 10173, 12540, 13564, 15048, 16955, 18810, 20346, 25080, 27128, 30519, 33910, 37301, 37620, 40692, 50865, 61038, 64429, 67820, 74602, 75240, 81384, 101730, 111903, 122076, 128858, 135640, 149204, 152595, 186505, 193287, 203460, 223806, 244152, 257716, 298408, 305190, 322145, 335709, 373010, 386574, 406920, 447612, 515432, 559515, 579861, 610380, 644290, 671418, 708719, 746020, 773148, 895224, 966435, 1119030, 1159722, 1220760, 1288580, 1342836, 1417438, 1492040, 1546296, 1678545, 1932870, 2126157, 2238060, 2319444, 2577160, 2685672, 2834876, 2899305, 3357090, 3543595, 3865740, 4252314, 4476120, 4638888, 5669752, 5798610, 6378471, 6714180, 7087190, 7731480, 8504628, 10630785, 11597220, 12756942, 13428360, 14174380, 17009256, 21261570, 23194440, 25513884, 28348760, 31892355, 42523140, 51027768, 63784710, 85046280, 127569420, 255138840]

約数ペア:

[(1, 255138840), (2, 127569420), (3, 85046280), (4, 63784710), (5, 51027768), (6, 42523140), (8, 31892355), (9, 28348760), (10, 25513884), (11, 23194440), (12, 21261570), (15, 17009256), (18, 14174380), (19, 13428360), (20, 12756942), (22, 11597220), (24, 10630785), (30, 8504628), (33, 7731480), (36, 7087190), (38, 6714180), (40, 6378471), (44, 5798610), (45, 5669752), (55, 4638888), (57, 4476120), (60, 4252314), (66, 3865740), (72, 3543595), (76, 3357090), (88, 2899305), (90, 2834876), (95, 2685672), (99, 2577160), (110, 2319444), (114, 2238060), (120, 2126157), (132, 1932870), (152, 1678545), (165, 1546296), (171, 1492040), (180, 1417438), (190, 1342836), (198, 1288580), (209, 1220760), (220, 1159722), (228, 1119030), (264, 966435), (285, 895224), (330, 773148), (342, 746020), (360, 708719), (380, 671418), (396, 644290), (418, 610380), (440, 579861), (456, 559515), (495, 515432), (570, 447612), (627, 406920), (660, 386574), (684, 373010), (760, 335709), (792, 322145), (836, 305190), (855, 298408), (990, 257716), (1045, 244152), (1140, 223806), (1254, 203460), (1320, 193287), (1368, 186505), (1672, 152595), (1710, 149204), (1881, 135640), (1980, 128858), (2090, 122076), (2280, 111903), (2508, 101730), (3135, 81384), (3391, 75240), (3420, 74602), (3762, 67820), (3960, 64429), (4180, 61038), (5016, 50865), (6270, 40692), (6782, 37620), (6840, 37301), (7524, 33910), (8360, 30519), (9405, 27128), (10173, 25080), (12540, 20346), (13564, 18810), (15048, 16955)]