211209120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 240

約数和(自身を含む): 764739360

約数和(自身を除く): 553530240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 96, 108, 120, 129, 135, 144, 160, 162, 172, 180, 215, 216, 240, 258, 270, 288, 324, 344, 360, 379, 387, 405, 430, 432, 480, 516, 540, 645, 648, 688, 720, 758, 774, 810, 860, 864, 1032, 1080, 1137, 1161, 1290, 1296, 1376, 1440, 1516, 1548, 1620, 1720, 1895, 1935, 2064, 2160, 2274, 2322, 2580, 2592, 3032, 3096, 3240, 3411, 3440, 3483, 3790, 3870, 4128, 4320, 4548, 4644, 5160, 5685, 5805, 6064, 6192, 6480, 6822, 6880, 6966, 7580, 7740, 9096, 9288, 10233, 10320, 11370, 11610, 12128, 12384, 12960, 13644, 13932, 15160, 15480, 16297, 17055, 17415, 18192, 18576, 20466, 20640, 22740, 23220, 27288, 27864, 30320, 30699, 30960, 32594, 34110, 34830, 36384, 37152, 40932, 45480, 46440, 48891, 51165, 54576, 55728, 60640, 61398, 61920, 65188, 68220, 69660, 81485, 81864, 90960, 92880, 97782, 102330, 109152, 111456, 122796, 130376, 136440, 139320, 146673, 153495, 162970, 163728, 181920, 185760, 195564, 204660, 244455, 245592, 260752, 272880, 278640, 293346, 306990, 325940, 327456, 391128, 409320, 440019, 488910, 491184, 521504, 545760, 557280, 586692, 613980, 651880, 733365, 782256, 818640, 880038, 977820, 982368, 1173384, 1227960, 1303760, 1320057, 1466730, 1564512, 1637280, 1760076, 1955640, 2200095, 2346768, 2455920, 2607520, 2640114, 2933460, 3520152, 3911280, 4400190, 4693536, 4911840, 5280228, 5866920, 6600285, 7040304, 7822560, 8800380, 10560456, 11733840, 13200570, 14080608, 17600760, 21120912, 23467680, 26401140, 35201520, 42241824, 52802280, 70403040, 105604560, 211209120]

約数ペア:

[(1, 211209120), (2, 105604560), (3, 70403040), (4, 52802280), (5, 42241824), (6, 35201520), (8, 26401140), (9, 23467680), (10, 21120912), (12, 17600760), (15, 14080608), (16, 13200570), (18, 11733840), (20, 10560456), (24, 8800380), (27, 7822560), (30, 7040304), (32, 6600285), (36, 5866920), (40, 5280228), (43, 4911840), (45, 4693536), (48, 4400190), (54, 3911280), (60, 3520152), (72, 2933460), (80, 2640114), (81, 2607520), (86, 2455920), (90, 2346768), (96, 2200095), (108, 1955640), (120, 1760076), (129, 1637280), (135, 1564512), (144, 1466730), (160, 1320057), (162, 1303760), (172, 1227960), (180, 1173384), (215, 982368), (216, 977820), (240, 880038), (258, 818640), (270, 782256), (288, 733365), (324, 651880), (344, 613980), (360, 586692), (379, 557280), (387, 545760), (405, 521504), (430, 491184), (432, 488910), (480, 440019), (516, 409320), (540, 391128), (645, 327456), (648, 325940), (688, 306990), (720, 293346), (758, 278640), (774, 272880), (810, 260752), (860, 245592), (864, 244455), (1032, 204660), (1080, 195564), (1137, 185760), (1161, 181920), (1290, 163728), (1296, 162970), (1376, 153495), (1440, 146673), (1516, 139320), (1548, 136440), (1620, 130376), (1720, 122796), (1895, 111456), (1935, 109152), (2064, 102330), (2160, 97782), (2274, 92880), (2322, 90960), (2580, 81864), (2592, 81485), (3032, 69660), (3096, 68220), (3240, 65188), (3411, 61920), (3440, 61398), (3483, 60640), (3790, 55728), (3870, 54576), (4128, 51165), (4320, 48891), (4548, 46440), (4644, 45480), (5160, 40932), (5685, 37152), (5805, 36384), (6064, 34830), (6192, 34110), (6480, 32594), (6822, 30960), (6880, 30699), (6966, 30320), (7580, 27864), (7740, 27288), (9096, 23220), (9288, 22740), (10233, 20640), (10320, 20466), (11370, 18576), (11610, 18192), (12128, 17415), (12384, 17055), (12960, 16297), (13644, 15480), (13932, 15160)]