261161280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 224

約数和(自身を含む): 931956480

約数和(自身を除く): 670795200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 167, 180, 181, 192, 216, 240, 270, 288, 320, 334, 360, 362, 432, 480, 501, 540, 543, 576, 668, 720, 724, 835, 864, 905, 960, 1002, 1080, 1086, 1336, 1440, 1448, 1503, 1629, 1670, 1728, 1810, 2004, 2160, 2172, 2505, 2672, 2715, 2880, 2896, 3006, 3258, 3340, 3620, 4008, 4320, 4344, 4509, 4887, 5010, 5344, 5430, 5792, 6012, 6516, 6680, 7240, 7515, 8016, 8145, 8640, 8688, 9018, 9774, 10020, 10688, 10860, 11584, 12024, 13032, 13360, 14480, 15030, 16032, 16290, 17376, 18036, 19548, 20040, 21720, 22545, 24048, 24435, 26064, 26720, 28960, 30060, 30227, 32064, 32580, 34752, 36072, 39096, 40080, 43440, 45090, 48096, 48870, 52128, 53440, 57920, 60120, 60454, 65160, 72144, 78192, 80160, 86880, 90180, 90681, 96192, 97740, 104256, 120240, 120908, 130320, 144288, 151135, 156384, 160320, 173760, 180360, 181362, 195480, 240480, 241816, 260640, 272043, 288576, 302270, 312768, 360720, 362724, 390960, 453405, 480960, 483632, 521280, 544086, 604540, 721440, 725448, 781920, 816129, 906810, 967264, 1088172, 1209080, 1360215, 1442880, 1450896, 1563840, 1632258, 1813620, 1934528, 2176344, 2418160, 2720430, 2901792, 3264516, 3627240, 4080645, 4352688, 4836320, 5440860, 5803584, 6529032, 7254480, 8161290, 8705376, 9672640, 10881720, 13058064, 14508960, 16322580, 17410752, 21763440, 26116128, 29017920, 32645160, 43526880, 52232256, 65290320, 87053760, 130580640, 261161280]

約数ペア:

[(1, 261161280), (2, 130580640), (3, 87053760), (4, 65290320), (5, 52232256), (6, 43526880), (8, 32645160), (9, 29017920), (10, 26116128), (12, 21763440), (15, 17410752), (16, 16322580), (18, 14508960), (20, 13058064), (24, 10881720), (27, 9672640), (30, 8705376), (32, 8161290), (36, 7254480), (40, 6529032), (45, 5803584), (48, 5440860), (54, 4836320), (60, 4352688), (64, 4080645), (72, 3627240), (80, 3264516), (90, 2901792), (96, 2720430), (108, 2418160), (120, 2176344), (135, 1934528), (144, 1813620), (160, 1632258), (167, 1563840), (180, 1450896), (181, 1442880), (192, 1360215), (216, 1209080), (240, 1088172), (270, 967264), (288, 906810), (320, 816129), (334, 781920), (360, 725448), (362, 721440), (432, 604540), (480, 544086), (501, 521280), (540, 483632), (543, 480960), (576, 453405), (668, 390960), (720, 362724), (724, 360720), (835, 312768), (864, 302270), (905, 288576), (960, 272043), (1002, 260640), (1080, 241816), (1086, 240480), (1336, 195480), (1440, 181362), (1448, 180360), (1503, 173760), (1629, 160320), (1670, 156384), (1728, 151135), (1810, 144288), (2004, 130320), (2160, 120908), (2172, 120240), (2505, 104256), (2672, 97740), (2715, 96192), (2880, 90681), (2896, 90180), (3006, 86880), (3258, 80160), (3340, 78192), (3620, 72144), (4008, 65160), (4320, 60454), (4344, 60120), (4509, 57920), (4887, 53440), (5010, 52128), (5344, 48870), (5430, 48096), (5792, 45090), (6012, 43440), (6516, 40080), (6680, 39096), (7240, 36072), (7515, 34752), (8016, 32580), (8145, 32064), (8640, 30227), (8688, 30060), (9018, 28960), (9774, 26720), (10020, 26064), (10688, 24435), (10860, 24048), (11584, 22545), (12024, 21720), (13032, 20040), (13360, 19548), (14480, 18036), (15030, 17376), (16032, 16290)]