256649250480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{38803}}^1$

素因数の和:38984

約数の個数: 320

約数和(自身を含む): 946017927168

約数和(自身を除く): 689368676688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 127, 140, 155, 168, 186, 210, 217, 240, 248, 254, 280, 310, 336, 372, 381, 420, 434, 465, 496, 508, 560, 620, 635, 651, 744, 762, 840, 868, 889, 930, 1016, 1085, 1240, 1270, 1302, 1488, 1524, 1680, 1736, 1778, 1860, 1905, 2032, 2170, 2480, 2540, 2604, 2667, 3048, 3255, 3472, 3556, 3720, 3810, 3937, 4340, 4445, 5080, 5208, 5334, 6096, 6510, 7112, 7440, 7620, 7874, 8680, 8890, 10160, 10416, 10668, 11811, 13020, 13335, 14224, 15240, 15748, 17360, 17780, 19685, 21336, 23622, 26040, 26670, 27559, 30480, 31496, 35560, 38803, 39370, 42672, 47244, 52080, 53340, 55118, 59055, 62992, 71120, 77606, 78740, 82677, 94488, 106680, 110236, 116409, 118110, 137795, 155212, 157480, 165354, 188976, 194015, 213360, 220472, 232818, 236220, 271621, 275590, 310424, 314960, 330708, 388030, 413385, 440944, 465636, 472440, 543242, 551180, 582045, 620848, 661416, 776060, 814863, 826770, 931272, 944880, 1086484, 1102360, 1164090, 1202893, 1322832, 1358105, 1552120, 1629726, 1653540, 1862544, 2172968, 2204720, 2328180, 2405786, 2716210, 3104240, 3259452, 3307080, 3608679, 4074315, 4345936, 4656360, 4811572, 4927981, 5432420, 6014465, 6518904, 6614160, 7217358, 8148630, 8420251, 9312720, 9623144, 9855962, 10864840, 12028930, 13037808, 14434716, 14783943, 16297260, 16840502, 18043395, 19246288, 19711924, 21729680, 24057860, 24639905, 25260753, 28869432, 29567886, 32594520, 33681004, 34495867, 36086790, 39423848, 42101255, 48115720, 49279810, 50521506, 57738864, 59135772, 65189040, 67362008, 68991734, 72173580, 73919715, 78847696, 84202510, 96231440, 98559620, 101043012, 103487601, 118271544, 126303765, 134724016, 137983468, 144347160, 147839430, 152767411, 168405020, 172479335, 197119240, 202086024, 206975202, 236543088, 252607530, 275966936, 288694320, 295678860, 305534822, 336810040, 344958670, 394238480, 404172048, 413950404, 458302233, 505215060, 517438005, 551933872, 591357720, 611069644, 673620080, 689917340, 763837055, 827900808, 916604466, 1010430120, 1034876010, 1069371877, 1182715440, 1222139288, 1379834680, 1527674110, 1655801616, 1833208932, 2020860240, 2069752020, 2138743754, 2291511165, 2444278576, 2759669360, 3055348220, 3208115631, 3666417864, 4139504040, 4277487508, 4583022330, 5346859385, 6110696440, 6416231262, 7332835728, 8279008080, 8554975016, 9166044660, 10693718770, 12221392880, 12832462524, 16040578155, 17109950032, 18332089320, 21387437540, 25664925048, 32081156310, 36664178640, 42774875080, 51329850096, 64162312620, 85549750160, 128324625240, 256649250480]

約数ペア:

[(1, 256649250480), (2, 128324625240), (3, 85549750160), (4, 64162312620), (5, 51329850096), (6, 42774875080), (7, 36664178640), (8, 32081156310), (10, 25664925048), (12, 21387437540), (14, 18332089320), (15, 17109950032), (16, 16040578155), (20, 12832462524), (21, 12221392880), (24, 10693718770), (28, 9166044660), (30, 8554975016), (31, 8279008080), (35, 7332835728), (40, 6416231262), (42, 6110696440), (48, 5346859385), (56, 4583022330), (60, 4277487508), (62, 4139504040), (70, 3666417864), (80, 3208115631), (84, 3055348220), (93, 2759669360), (105, 2444278576), (112, 2291511165), (120, 2138743754), (124, 2069752020), (127, 2020860240), (140, 1833208932), (155, 1655801616), (168, 1527674110), (186, 1379834680), (210, 1222139288), (217, 1182715440), (240, 1069371877), (248, 1034876010), (254, 1010430120), (280, 916604466), (310, 827900808), (336, 763837055), (372, 689917340), (381, 673620080), (420, 611069644), (434, 591357720), (465, 551933872), (496, 517438005), (508, 505215060), (560, 458302233), (620, 413950404), (635, 404172048), (651, 394238480), (744, 344958670), (762, 336810040), (840, 305534822), (868, 295678860), (889, 288694320), (930, 275966936), (1016, 252607530), (1085, 236543088), (1240, 206975202), (1270, 202086024), (1302, 197119240), (1488, 172479335), (1524, 168405020), (1680, 152767411), (1736, 147839430), (1778, 144347160), (1860, 137983468), (1905, 134724016), (2032, 126303765), (2170, 118271544), (2480, 103487601), (2540, 101043012), (2604, 98559620), (2667, 96231440), (3048, 84202510), (3255, 78847696), (3472, 73919715), (3556, 72173580), (3720, 68991734), (3810, 67362008), (3937, 65189040), (4340, 59135772), (4445, 57738864), (5080, 50521506), (5208, 49279810), (5334, 48115720), (6096, 42101255), (6510, 39423848), (7112, 36086790), (7440, 34495867), (7620, 33681004), (7874, 32594520), (8680, 29567886), (8890, 28869432), (10160, 25260753), (10416, 24639905), (10668, 24057860), (11811, 21729680), (13020, 19711924), (13335, 19246288), (14224, 18043395), (15240, 16840502), (15748, 16297260), (17360, 14783943), (17780, 14434716), (19685, 13037808), (21336, 12028930), (23622, 10864840), (26040, 9855962), (26670, 9623144), (27559, 9312720), (30480, 8420251), (31496, 8148630), (35560, 7217358), (38803, 6614160), (39370, 6518904), (42672, 6014465), (47244, 5432420), (52080, 4927981), (53340, 4811572), (55118, 4656360), (59055, 4345936), (62992, 4074315), (71120, 3608679), (77606, 3307080), (78740, 3259452), (82677, 3104240), (94488, 2716210), (106680, 2405786), (110236, 2328180), (116409, 2204720), (118110, 2172968), (137795, 1862544), (155212, 1653540), (157480, 1629726), (165354, 1552120), (188976, 1358105), (194015, 1322832), (213360, 1202893), (220472, 1164090), (232818, 1102360), (236220, 1086484), (271621, 944880), (275590, 931272), (310424, 826770), (314960, 814863), (330708, 776060), (388030, 661416), (413385, 620848), (440944, 582045), (465636, 551180), (472440, 543242)]