19989789120

素因数分解:

$2^6\times 3^4\times 5^1\times 7^2\times {\mathrm{15739}}^1$

素因数の和:15782

約数の個数: 420

約数和(自身を含む): 82721790360

約数和(自身を除く): 62732001240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 392, 405, 420, 432, 441, 448, 480, 490, 504, 540, 560, 567, 576, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 960, 980, 1008, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1344, 1440, 1470, 1512, 1568, 1620, 1680, 1728, 1764, 1890, 1960, 2016, 2160, 2205, 2240, 2268, 2352, 2520, 2592, 2646, 2835, 2880, 2940, 3024, 3136, 3240, 3360, 3528, 3780, 3920, 3969, 4032, 4320, 4410, 4536, 4704, 5040, 5184, 5292, 5670, 5880, 6048, 6480, 6615, 6720, 7056, 7560, 7840, 7938, 8640, 8820, 9072, 9408, 10080, 10584, 11340, 11760, 12096, 12960, 13230, 14112, 15120, 15680, 15739, 15876, 17640, 18144, 19845, 20160, 21168, 22680, 23520, 25920, 26460, 28224, 30240, 31478, 31752, 35280, 36288, 39690, 42336, 45360, 47040, 47217, 52920, 60480, 62956, 63504, 70560, 78695, 79380, 84672, 90720, 94434, 105840, 110173, 125912, 127008, 141120, 141651, 157390, 158760, 181440, 188868, 211680, 220346, 236085, 251824, 254016, 283302, 314780, 317520, 330519, 377736, 423360, 424953, 440692, 472170, 503648, 550865, 566604, 629560, 635040, 661038, 708255, 755472, 771211, 849906, 881384, 944340, 991557, 1007296, 1101730, 1133208, 1259120, 1270080, 1274859, 1322076, 1416510, 1510944, 1542422, 1652595, 1699812, 1762768, 1888680, 1983114, 2124765, 2203460, 2266416, 2313633, 2518240, 2549718, 2644152, 2833020, 2974671, 3021888, 3084844, 3305190, 3399624, 3525536, 3777360, 3856055, 3966228, 4249530, 4406920, 4532832, 4627266, 4957785, 5036480, 5099436, 5288304, 5666040, 5949342, 6169688, 6374295, 6610380, 6799248, 6940899, 7051072, 7554720, 7712110, 7932456, 8499060, 8813840, 8924013, 9065664, 9254532, 9915570, 10198872, 10576608, 11332080, 11568165, 11898684, 12339376, 12748590, 13220760, 13598496, 13881798, 14873355, 15109440, 15424220, 15864912, 16998120, 17627680, 17848026, 18509064, 19831140, 20397744, 20822697, 21153216, 22664160, 23136330, 23797368, 24678752, 25497180, 26441520, 27196992, 27763596, 29746710, 30848440, 31729824, 33996240, 34704495, 35255360, 35696052, 37018128, 39662280, 40795488, 41645394, 44620065, 45328320, 46272660, 47594736, 49357504, 50994360, 52883040, 55527192, 59493420, 61696880, 62468091, 63459648, 67992480, 69408990, 71392104, 74036256, 79324560, 81590976, 83290788, 89240130, 92545320, 95189472, 101988720, 104113485, 105766080, 111054384, 118986840, 123393760, 124936182, 135984960, 138817980, 142784208, 148072512, 158649120, 166581576, 178480260, 185090640, 190378944, 203977440, 208226970, 222108768, 237973680, 246787520, 249872364, 277635960, 285568416, 312340455, 317298240, 333163152, 356960520, 370181280, 407954880, 416453940, 444217536, 475947360, 499744728, 555271920, 571136832, 624680910, 666326304, 713921040, 740362560, 832907880, 951894720, 999489456, 1110543840, 1249361820, 1332652608, 1427842080, 1665815760, 1998978912, 2221087680, 2498723640, 2855684160, 3331631520, 3997957824, 4997447280, 6663263040, 9994894560, 19989789120]

約数ペア:

[(1, 19989789120), (2, 9994894560), (3, 6663263040), (4, 4997447280), (5, 3997957824), (6, 3331631520), (7, 2855684160), (8, 2498723640), (9, 2221087680), (10, 1998978912), (12, 1665815760), (14, 1427842080), (15, 1332652608), (16, 1249361820), (18, 1110543840), (20, 999489456), (21, 951894720), (24, 832907880), (27, 740362560), (28, 713921040), (30, 666326304), (32, 624680910), (35, 571136832), (36, 555271920), (40, 499744728), (42, 475947360), (45, 444217536), (48, 416453940), (49, 407954880), (54, 370181280), (56, 356960520), (60, 333163152), (63, 317298240), (64, 312340455), (70, 285568416), (72, 277635960), (80, 249872364), (81, 246787520), (84, 237973680), (90, 222108768), (96, 208226970), (98, 203977440), (105, 190378944), (108, 185090640), (112, 178480260), (120, 166581576), (126, 158649120), (135, 148072512), (140, 142784208), (144, 138817980), (147, 135984960), (160, 124936182), (162, 123393760), (168, 118986840), (180, 111054384), (189, 105766080), (192, 104113485), (196, 101988720), (210, 95189472), (216, 92545320), (224, 89240130), (240, 83290788), (245, 81590976), (252, 79324560), (270, 74036256), (280, 71392104), (288, 69408990), (294, 67992480), (315, 63459648), (320, 62468091), (324, 61696880), (336, 59493420), (360, 55527192), (378, 52883040), (392, 50994360), (405, 49357504), (420, 47594736), (432, 46272660), (441, 45328320), (448, 44620065), (480, 41645394), (490, 40795488), (504, 39662280), (540, 37018128), (560, 35696052), (567, 35255360), (576, 34704495), (588, 33996240), (630, 31729824), (648, 30848440), (672, 29746710), (720, 27763596), (735, 27196992), (756, 26441520), (784, 25497180), (810, 24678752), (840, 23797368), (864, 23136330), (882, 22664160), (945, 21153216), (960, 20822697), (980, 20397744), (1008, 19831140), (1080, 18509064), (1120, 17848026), (1134, 17627680), (1176, 16998120), (1260, 15864912), (1296, 15424220), (1323, 15109440), (1344, 14873355), (1440, 13881798), (1470, 13598496), (1512, 13220760), (1568, 12748590), (1620, 12339376), (1680, 11898684), (1728, 11568165), (1764, 11332080), (1890, 10576608), (1960, 10198872), (2016, 9915570), (2160, 9254532), (2205, 9065664), (2240, 8924013), (2268, 8813840), (2352, 8499060), (2520, 7932456), (2592, 7712110), (2646, 7554720), (2835, 7051072), (2880, 6940899), (2940, 6799248), (3024, 6610380), (3136, 6374295), (3240, 6169688), (3360, 5949342), (3528, 5666040), (3780, 5288304), (3920, 5099436), (3969, 5036480), (4032, 4957785), (4320, 4627266), (4410, 4532832), (4536, 4406920), (4704, 4249530), (5040, 3966228), (5184, 3856055), (5292, 3777360), (5670, 3525536), (5880, 3399624), (6048, 3305190), (6480, 3084844), (6615, 3021888), (6720, 2974671), (7056, 2833020), (7560, 2644152), (7840, 2549718), (7938, 2518240), (8640, 2313633), (8820, 2266416), (9072, 2203460), (9408, 2124765), (10080, 1983114), (10584, 1888680), (11340, 1762768), (11760, 1699812), (12096, 1652595), (12960, 1542422), (13230, 1510944), (14112, 1416510), (15120, 1322076), (15680, 1274859), (15739, 1270080), (15876, 1259120), (17640, 1133208), (18144, 1101730), (19845, 1007296), (20160, 991557), (21168, 944340), (22680, 881384), (23520, 849906), (25920, 771211), (26460, 755472), (28224, 708255), (30240, 661038), (31478, 635040), (31752, 629560), (35280, 566604), (36288, 550865), (39690, 503648), (42336, 472170), (45360, 440692), (47040, 424953), (47217, 423360), (52920, 377736), (60480, 330519), (62956, 317520), (63504, 314780), (70560, 283302), (78695, 254016), (79380, 251824), (84672, 236085), (90720, 220346), (94434, 211680), (105840, 188868), (110173, 181440), (125912, 158760), (127008, 157390), (141120, 141651)]