256324320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 288

約数和(自身を含む): 1018967040

約数和(自身を除く): 762642720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 59, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 118, 120, 126, 140, 144, 160, 168, 177, 180, 210, 224, 236, 240, 252, 280, 288, 295, 315, 336, 354, 360, 413, 420, 431, 472, 480, 504, 531, 560, 590, 630, 672, 708, 720, 826, 840, 862, 885, 944, 1008, 1062, 1120, 1180, 1239, 1260, 1293, 1416, 1440, 1652, 1680, 1724, 1770, 1888, 2016, 2065, 2124, 2155, 2360, 2478, 2520, 2586, 2655, 2832, 3017, 3304, 3360, 3448, 3540, 3717, 3879, 4130, 4248, 4310, 4720, 4956, 5040, 5172, 5310, 5664, 6034, 6195, 6465, 6608, 6896, 7080, 7434, 7758, 8260, 8496, 8620, 9051, 9440, 9912, 10080, 10344, 10620, 12068, 12390, 12930, 13216, 13792, 14160, 14868, 15085, 15516, 16520, 16992, 17240, 18102, 18585, 19395, 19824, 20688, 21240, 24136, 24780, 25429, 25860, 27153, 28320, 29736, 30170, 31032, 33040, 34480, 36204, 37170, 38790, 39648, 41376, 42480, 45255, 48272, 49560, 50858, 51720, 54306, 59472, 60340, 62064, 66080, 68960, 72408, 74340, 76287, 77580, 84960, 90510, 96544, 99120, 101716, 103440, 108612, 118944, 120680, 124128, 127145, 135765, 144816, 148680, 152574, 155160, 178003, 181020, 198240, 203432, 206880, 217224, 228861, 241360, 254290, 271530, 289632, 297360, 305148, 310320, 356006, 362040, 381435, 406864, 434448, 457722, 482720, 508580, 534009, 543060, 594720, 610296, 620640, 712012, 724080, 762870, 813728, 868896, 890015, 915444, 1017160, 1068018, 1086120, 1144305, 1220592, 1424024, 1448160, 1525740, 1602027, 1780030, 1830888, 2034320, 2136036, 2172240, 2288610, 2441184, 2670045, 2848048, 3051480, 3204054, 3560060, 3661776, 4068640, 4272072, 4344480, 4577220, 5340090, 5696096, 6102960, 6408108, 7120120, 7323552, 8010135, 8544144, 9154440, 10680180, 12205920, 12816216, 14240240, 16020270, 17088288, 18308880, 21360360, 25632432, 28480480, 32040540, 36617760, 42720720, 51264864, 64081080, 85441440, 128162160, 256324320]

約数ペア:

[(1, 256324320), (2, 128162160), (3, 85441440), (4, 64081080), (5, 51264864), (6, 42720720), (7, 36617760), (8, 32040540), (9, 28480480), (10, 25632432), (12, 21360360), (14, 18308880), (15, 17088288), (16, 16020270), (18, 14240240), (20, 12816216), (21, 12205920), (24, 10680180), (28, 9154440), (30, 8544144), (32, 8010135), (35, 7323552), (36, 7120120), (40, 6408108), (42, 6102960), (45, 5696096), (48, 5340090), (56, 4577220), (59, 4344480), (60, 4272072), (63, 4068640), (70, 3661776), (72, 3560060), (80, 3204054), (84, 3051480), (90, 2848048), (96, 2670045), (105, 2441184), (112, 2288610), (118, 2172240), (120, 2136036), (126, 2034320), (140, 1830888), (144, 1780030), (160, 1602027), (168, 1525740), (177, 1448160), (180, 1424024), (210, 1220592), (224, 1144305), (236, 1086120), (240, 1068018), (252, 1017160), (280, 915444), (288, 890015), (295, 868896), (315, 813728), (336, 762870), (354, 724080), (360, 712012), (413, 620640), (420, 610296), (431, 594720), (472, 543060), (480, 534009), (504, 508580), (531, 482720), (560, 457722), (590, 434448), (630, 406864), (672, 381435), (708, 362040), (720, 356006), (826, 310320), (840, 305148), (862, 297360), (885, 289632), (944, 271530), (1008, 254290), (1062, 241360), (1120, 228861), (1180, 217224), (1239, 206880), (1260, 203432), (1293, 198240), (1416, 181020), (1440, 178003), (1652, 155160), (1680, 152574), (1724, 148680), (1770, 144816), (1888, 135765), (2016, 127145), (2065, 124128), (2124, 120680), (2155, 118944), (2360, 108612), (2478, 103440), (2520, 101716), (2586, 99120), (2655, 96544), (2832, 90510), (3017, 84960), (3304, 77580), (3360, 76287), (3448, 74340), (3540, 72408), (3717, 68960), (3879, 66080), (4130, 62064), (4248, 60340), (4310, 59472), (4720, 54306), (4956, 51720), (5040, 50858), (5172, 49560), (5310, 48272), (5664, 45255), (6034, 42480), (6195, 41376), (6465, 39648), (6608, 38790), (6896, 37170), (7080, 36204), (7434, 34480), (7758, 33040), (8260, 31032), (8496, 30170), (8620, 29736), (9051, 28320), (9440, 27153), (9912, 25860), (10080, 25429), (10344, 24780), (10620, 24136), (12068, 21240), (12390, 20688), (12930, 19824), (13216, 19395), (13792, 18585), (14160, 18102), (14868, 17240), (15085, 16992), (15516, 16520)]