1221185280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 288

約数和(自身を含む): 4499808768

約数和(自身を除く): 3278623488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 181, 192, 210, 224, 240, 251, 256, 280, 320, 336, 362, 384, 420, 448, 480, 502, 543, 560, 640, 672, 724, 753, 768, 840, 896, 905, 960, 1004, 1086, 1120, 1255, 1267, 1280, 1344, 1448, 1506, 1680, 1757, 1792, 1810, 1920, 2008, 2172, 2240, 2510, 2534, 2688, 2715, 2896, 3012, 3360, 3514, 3620, 3765, 3801, 3840, 4016, 4344, 4480, 5020, 5068, 5271, 5376, 5430, 5792, 6024, 6335, 6720, 7028, 7240, 7530, 7602, 8032, 8688, 8785, 8960, 10040, 10136, 10542, 10860, 11584, 12048, 12670, 13440, 14056, 14480, 15060, 15204, 16064, 17376, 17570, 19005, 20080, 20272, 21084, 21720, 23168, 24096, 25340, 26355, 26880, 28112, 28960, 30120, 30408, 32128, 34752, 35140, 38010, 40160, 40544, 42168, 43440, 45431, 46336, 48192, 50680, 52710, 56224, 57920, 60240, 60816, 64256, 69504, 70280, 76020, 80320, 81088, 84336, 86880, 90862, 96384, 101360, 105420, 112448, 115840, 120480, 121632, 136293, 139008, 140560, 152040, 160640, 162176, 168672, 173760, 181724, 192768, 202720, 210840, 224896, 227155, 231680, 240960, 243264, 272586, 281120, 304080, 318017, 321280, 324352, 337344, 347520, 363448, 405440, 421680, 449792, 454310, 481920, 486528, 545172, 562240, 608160, 636034, 674688, 681465, 695040, 726896, 810880, 843360, 908620, 954051, 963840, 973056, 1090344, 1124480, 1216320, 1272068, 1349376, 1362930, 1453792, 1590085, 1621760, 1686720, 1817240, 1908102, 2180688, 2248960, 2432640, 2544136, 2725860, 2907584, 3180170, 3373440, 3634480, 3816204, 4361376, 4770255, 4865280, 5088272, 5451720, 5815168, 6360340, 6746880, 7268960, 7632408, 8722752, 9540510, 10176544, 10903440, 11630336, 12720680, 14537920, 15264816, 17445504, 19081020, 20353088, 21806880, 25441360, 29075840, 30529632, 34891008, 38162040, 40706176, 43613760, 50882720, 58151680, 61059264, 76324080, 81412352, 87227520, 101765440, 122118528, 152648160, 174455040, 203530880, 244237056, 305296320, 407061760, 610592640, 1221185280]

約数ペア:

[(1, 1221185280), (2, 610592640), (3, 407061760), (4, 305296320), (5, 244237056), (6, 203530880), (7, 174455040), (8, 152648160), (10, 122118528), (12, 101765440), (14, 87227520), (15, 81412352), (16, 76324080), (20, 61059264), (21, 58151680), (24, 50882720), (28, 43613760), (30, 40706176), (32, 38162040), (35, 34891008), (40, 30529632), (42, 29075840), (48, 25441360), (56, 21806880), (60, 20353088), (64, 19081020), (70, 17445504), (80, 15264816), (84, 14537920), (96, 12720680), (105, 11630336), (112, 10903440), (120, 10176544), (128, 9540510), (140, 8722752), (160, 7632408), (168, 7268960), (181, 6746880), (192, 6360340), (210, 5815168), (224, 5451720), (240, 5088272), (251, 4865280), (256, 4770255), (280, 4361376), (320, 3816204), (336, 3634480), (362, 3373440), (384, 3180170), (420, 2907584), (448, 2725860), (480, 2544136), (502, 2432640), (543, 2248960), (560, 2180688), (640, 1908102), (672, 1817240), (724, 1686720), (753, 1621760), (768, 1590085), (840, 1453792), (896, 1362930), (905, 1349376), (960, 1272068), (1004, 1216320), (1086, 1124480), (1120, 1090344), (1255, 973056), (1267, 963840), (1280, 954051), (1344, 908620), (1448, 843360), (1506, 810880), (1680, 726896), (1757, 695040), (1792, 681465), (1810, 674688), (1920, 636034), (2008, 608160), (2172, 562240), (2240, 545172), (2510, 486528), (2534, 481920), (2688, 454310), (2715, 449792), (2896, 421680), (3012, 405440), (3360, 363448), (3514, 347520), (3620, 337344), (3765, 324352), (3801, 321280), (3840, 318017), (4016, 304080), (4344, 281120), (4480, 272586), (5020, 243264), (5068, 240960), (5271, 231680), (5376, 227155), (5430, 224896), (5792, 210840), (6024, 202720), (6335, 192768), (6720, 181724), (7028, 173760), (7240, 168672), (7530, 162176), (7602, 160640), (8032, 152040), (8688, 140560), (8785, 139008), (8960, 136293), (10040, 121632), (10136, 120480), (10542, 115840), (10860, 112448), (11584, 105420), (12048, 101360), (12670, 96384), (13440, 90862), (14056, 86880), (14480, 84336), (15060, 81088), (15204, 80320), (16064, 76020), (17376, 70280), (17570, 69504), (19005, 64256), (20080, 60816), (20272, 60240), (21084, 57920), (21720, 56224), (23168, 52710), (24096, 50680), (25340, 48192), (26355, 46336), (26880, 45431), (28112, 43440), (28960, 42168), (30120, 40544), (30408, 40160), (32128, 38010), (34752, 35140)]