21162491280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97649}}^1$

素因数の和:97718

約数の個数: 240

約数和(自身を含む): 83113430400

約数和(自身を除く): 61950939120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1204, 1260, 1290, 1505, 1548, 1680, 1720, 1806, 1935, 2064, 2408, 2520, 2580, 2709, 3010, 3096, 3440, 3612, 3870, 4515, 4816, 5040, 5160, 5418, 6020, 6192, 7224, 7740, 9030, 10320, 10836, 12040, 13545, 14448, 15480, 18060, 21672, 24080, 27090, 30960, 36120, 43344, 54180, 72240, 97649, 108360, 195298, 216720, 292947, 390596, 488245, 585894, 683543, 781192, 878841, 976490, 1171788, 1367086, 1464735, 1562384, 1757682, 1952980, 2050629, 2343576, 2734172, 2929470, 3417715, 3515364, 3905960, 4101258, 4198907, 4394205, 4687152, 5468344, 5858940, 6151887, 6835430, 7030728, 7811920, 8202516, 8397814, 8788410, 10253145, 10936688, 11717880, 12303774, 12596721, 13670860, 14061456, 16405032, 16795628, 17576820, 20506290, 20994535, 23435760, 24607548, 25193442, 27341720, 29392349, 30759435, 32810064, 33591256, 35153640, 37790163, 41012580, 41989070, 49215096, 50386884, 54683440, 58784698, 61518870, 62983605, 67182512, 70307280, 75580326, 82025160, 83978140, 88177047, 98430192, 100773768, 117569396, 123037740, 125967210, 146961745, 151160652, 164050320, 167956280, 176354094, 188950815, 201547536, 235138792, 246075480, 251934420, 264531141, 293923490, 302321304, 335912560, 352708188, 377901630, 440885235, 470277584, 492150960, 503868840, 529062282, 587846980, 604642608, 705416376, 755803260, 881770470, 1007737680, 1058124564, 1175693960, 1322655705, 1410832752, 1511606520, 1763540940, 2116249128, 2351387920, 2645311410, 3023213040, 3527081880, 4232498256, 5290622820, 7054163760, 10581245640, 21162491280]

約数ペア:

[(1, 21162491280), (2, 10581245640), (3, 7054163760), (4, 5290622820), (5, 4232498256), (6, 3527081880), (7, 3023213040), (8, 2645311410), (9, 2351387920), (10, 2116249128), (12, 1763540940), (14, 1511606520), (15, 1410832752), (16, 1322655705), (18, 1175693960), (20, 1058124564), (21, 1007737680), (24, 881770470), (28, 755803260), (30, 705416376), (35, 604642608), (36, 587846980), (40, 529062282), (42, 503868840), (43, 492150960), (45, 470277584), (48, 440885235), (56, 377901630), (60, 352708188), (63, 335912560), (70, 302321304), (72, 293923490), (80, 264531141), (84, 251934420), (86, 246075480), (90, 235138792), (105, 201547536), (112, 188950815), (120, 176354094), (126, 167956280), (129, 164050320), (140, 151160652), (144, 146961745), (168, 125967210), (172, 123037740), (180, 117569396), (210, 100773768), (215, 98430192), (240, 88177047), (252, 83978140), (258, 82025160), (280, 75580326), (301, 70307280), (315, 67182512), (336, 62983605), (344, 61518870), (360, 58784698), (387, 54683440), (420, 50386884), (430, 49215096), (504, 41989070), (516, 41012580), (560, 37790163), (602, 35153640), (630, 33591256), (645, 32810064), (688, 30759435), (720, 29392349), (774, 27341720), (840, 25193442), (860, 24607548), (903, 23435760), (1008, 20994535), (1032, 20506290), (1204, 17576820), (1260, 16795628), (1290, 16405032), (1505, 14061456), (1548, 13670860), (1680, 12596721), (1720, 12303774), (1806, 11717880), (1935, 10936688), (2064, 10253145), (2408, 8788410), (2520, 8397814), (2580, 8202516), (2709, 7811920), (3010, 7030728), (3096, 6835430), (3440, 6151887), (3612, 5858940), (3870, 5468344), (4515, 4687152), (4816, 4394205), (5040, 4198907), (5160, 4101258), (5418, 3905960), (6020, 3515364), (6192, 3417715), (7224, 2929470), (7740, 2734172), (9030, 2343576), (10320, 2050629), (10836, 1952980), (12040, 1757682), (13545, 1562384), (14448, 1464735), (15480, 1367086), (18060, 1171788), (21672, 976490), (24080, 878841), (27090, 781192), (30960, 683543), (36120, 585894), (43344, 488245), (54180, 390596), (72240, 292947), (97649, 216720), (108360, 195298)]