261401472

素因数分解:

$2^7\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1825

約数の個数: 128

約数和(自身を含む): 789888000

約数和(自身を除く): 528486528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 128, 129, 144, 172, 192, 216, 258, 288, 344, 384, 387, 432, 516, 576, 688, 774, 864, 1032, 1152, 1161, 1376, 1548, 1728, 1759, 2064, 2322, 2752, 3096, 3456, 3518, 4128, 4644, 5277, 5504, 6192, 7036, 8256, 9288, 10554, 12384, 14072, 15831, 16512, 18576, 21108, 24768, 28144, 31662, 37152, 42216, 47493, 49536, 56288, 63324, 74304, 75637, 84432, 94986, 112576, 126648, 148608, 151274, 168864, 189972, 225152, 226911, 253296, 302548, 337728, 379944, 453822, 506592, 605096, 675456, 680733, 759888, 907644, 1013184, 1210192, 1361466, 1519776, 1815288, 2026368, 2042199, 2420384, 2722932, 3039552, 3630576, 4084398, 4840768, 5445864, 6079104, 7261152, 8168796, 9681536, 10891728, 14522304, 16337592, 21783456, 29044608, 32675184, 43566912, 65350368, 87133824, 130700736, 261401472]

約数ペア:

[(1, 261401472), (2, 130700736), (3, 87133824), (4, 65350368), (6, 43566912), (8, 32675184), (9, 29044608), (12, 21783456), (16, 16337592), (18, 14522304), (24, 10891728), (27, 9681536), (32, 8168796), (36, 7261152), (43, 6079104), (48, 5445864), (54, 4840768), (64, 4084398), (72, 3630576), (86, 3039552), (96, 2722932), (108, 2420384), (128, 2042199), (129, 2026368), (144, 1815288), (172, 1519776), (192, 1361466), (216, 1210192), (258, 1013184), (288, 907644), (344, 759888), (384, 680733), (387, 675456), (432, 605096), (516, 506592), (576, 453822), (688, 379944), (774, 337728), (864, 302548), (1032, 253296), (1152, 226911), (1161, 225152), (1376, 189972), (1548, 168864), (1728, 151274), (1759, 148608), (2064, 126648), (2322, 112576), (2752, 94986), (3096, 84432), (3456, 75637), (3518, 74304), (4128, 63324), (4644, 56288), (5277, 49536), (5504, 47493), (6192, 42216), (7036, 37152), (8256, 31662), (9288, 28144), (10554, 24768), (12384, 21108), (14072, 18576), (15831, 16512)]