263405760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 224

約数和(自身を含む): 884846592

約数和(自身を除く): 621440832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 120, 124, 155, 159, 160, 167, 186, 192, 212, 240, 248, 265, 310, 318, 320, 334, 372, 424, 465, 480, 496, 501, 530, 620, 636, 668, 744, 795, 835, 848, 930, 960, 992, 1002, 1060, 1240, 1272, 1336, 1488, 1590, 1643, 1670, 1696, 1860, 1984, 2004, 2120, 2480, 2505, 2544, 2672, 2976, 3180, 3286, 3340, 3392, 3720, 4008, 4240, 4929, 4960, 5010, 5088, 5177, 5344, 5952, 6360, 6572, 6680, 7440, 8016, 8215, 8480, 8851, 9858, 9920, 10020, 10176, 10354, 10688, 12720, 13144, 13360, 14880, 15531, 16032, 16430, 16960, 17702, 19716, 20040, 20708, 24645, 25440, 25885, 26288, 26553, 26720, 29760, 31062, 32064, 32860, 35404, 39432, 40080, 41416, 44255, 49290, 50880, 51770, 52576, 53106, 53440, 62124, 65720, 70808, 77655, 78864, 80160, 82832, 88510, 98580, 103540, 105152, 106212, 124248, 131440, 132765, 141616, 155310, 157728, 160320, 165664, 177020, 197160, 207080, 212424, 248496, 262880, 265530, 274381, 283232, 310620, 315456, 331328, 354040, 394320, 414160, 424848, 496992, 525760, 531060, 548762, 566464, 621240, 708080, 788640, 823143, 828320, 849696, 993984, 1062120, 1097524, 1242480, 1371905, 1416160, 1577280, 1646286, 1656640, 1699392, 2124240, 2195048, 2484960, 2743810, 2832320, 3292572, 4115715, 4248480, 4390096, 4969920, 5487620, 6585144, 8231430, 8496960, 8780192, 10975240, 13170288, 16462860, 17560384, 21950480, 26340576, 32925720, 43900960, 52681152, 65851440, 87801920, 131702880, 263405760]

約数ペア:

[(1, 263405760), (2, 131702880), (3, 87801920), (4, 65851440), (5, 52681152), (6, 43900960), (8, 32925720), (10, 26340576), (12, 21950480), (15, 17560384), (16, 16462860), (20, 13170288), (24, 10975240), (30, 8780192), (31, 8496960), (32, 8231430), (40, 6585144), (48, 5487620), (53, 4969920), (60, 4390096), (62, 4248480), (64, 4115715), (80, 3292572), (93, 2832320), (96, 2743810), (106, 2484960), (120, 2195048), (124, 2124240), (155, 1699392), (159, 1656640), (160, 1646286), (167, 1577280), (186, 1416160), (192, 1371905), (212, 1242480), (240, 1097524), (248, 1062120), (265, 993984), (310, 849696), (318, 828320), (320, 823143), (334, 788640), (372, 708080), (424, 621240), (465, 566464), (480, 548762), (496, 531060), (501, 525760), (530, 496992), (620, 424848), (636, 414160), (668, 394320), (744, 354040), (795, 331328), (835, 315456), (848, 310620), (930, 283232), (960, 274381), (992, 265530), (1002, 262880), (1060, 248496), (1240, 212424), (1272, 207080), (1336, 197160), (1488, 177020), (1590, 165664), (1643, 160320), (1670, 157728), (1696, 155310), (1860, 141616), (1984, 132765), (2004, 131440), (2120, 124248), (2480, 106212), (2505, 105152), (2544, 103540), (2672, 98580), (2976, 88510), (3180, 82832), (3286, 80160), (3340, 78864), (3392, 77655), (3720, 70808), (4008, 65720), (4240, 62124), (4929, 53440), (4960, 53106), (5010, 52576), (5088, 51770), (5177, 50880), (5344, 49290), (5952, 44255), (6360, 41416), (6572, 40080), (6680, 39432), (7440, 35404), (8016, 32860), (8215, 32064), (8480, 31062), (8851, 29760), (9858, 26720), (9920, 26553), (10020, 26288), (10176, 25885), (10354, 25440), (10688, 24645), (12720, 20708), (13144, 20040), (13360, 19716), (14880, 17702), (15531, 16960), (16032, 16430)]