1221258240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 264

約数和(自身を含む): 4483421280

約数和(自身を除く): 3262163040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1024, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1559, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3072, 3118, 3264, 3840, 4080, 4352, 4608, 4677, 4896, 5120, 5440, 5760, 6120, 6236, 6528, 7680, 7795, 8160, 8704, 9216, 9354, 9792, 10880, 11520, 12240, 12472, 13056, 14031, 15360, 15590, 16320, 17408, 18708, 19584, 21760, 23040, 23385, 24480, 24944, 26112, 26503, 28062, 31180, 32640, 37416, 39168, 43520, 46080, 46770, 48960, 49888, 52224, 53006, 56124, 62360, 65280, 70155, 74832, 78336, 79509, 87040, 93540, 97920, 99776, 106012, 112248, 124720, 130560, 132515, 140310, 149664, 156672, 159018, 187080, 195840, 199552, 212024, 224496, 238527, 249440, 261120, 265030, 280620, 299328, 318036, 374160, 391680, 397545, 399104, 424048, 448992, 477054, 498880, 530060, 561240, 598656, 636072, 748320, 783360, 795090, 798208, 848096, 897984, 954108, 997760, 1060120, 1122480, 1192635, 1197312, 1272144, 1496640, 1590180, 1596416, 1696192, 1795968, 1908216, 1995520, 2120240, 2244960, 2385270, 2394624, 2544288, 2993280, 3180360, 3392384, 3591936, 3816432, 3991040, 4240480, 4489920, 4770540, 4789248, 5088576, 5986560, 6360720, 6784768, 7183872, 7632864, 7982080, 8480960, 8979840, 9541080, 10177152, 11973120, 12721440, 13569536, 14367744, 15265728, 16961920, 17959680, 19082160, 20354304, 23946240, 25442880, 27139072, 30531456, 33923840, 35919360, 38164320, 40708608, 50885760, 61062912, 67847680, 71838720, 76328640, 81417216, 101771520, 122125824, 135695360, 152657280, 203543040, 244251648, 305314560, 407086080, 610629120, 1221258240]

約数ペア:

[(1, 1221258240), (2, 610629120), (3, 407086080), (4, 305314560), (5, 244251648), (6, 203543040), (8, 152657280), (9, 135695360), (10, 122125824), (12, 101771520), (15, 81417216), (16, 76328640), (17, 71838720), (18, 67847680), (20, 61062912), (24, 50885760), (30, 40708608), (32, 38164320), (34, 35919360), (36, 33923840), (40, 30531456), (45, 27139072), (48, 25442880), (51, 23946240), (60, 20354304), (64, 19082160), (68, 17959680), (72, 16961920), (80, 15265728), (85, 14367744), (90, 13569536), (96, 12721440), (102, 11973120), (120, 10177152), (128, 9541080), (136, 8979840), (144, 8480960), (153, 7982080), (160, 7632864), (170, 7183872), (180, 6784768), (192, 6360720), (204, 5986560), (240, 5088576), (255, 4789248), (256, 4770540), (272, 4489920), (288, 4240480), (306, 3991040), (320, 3816432), (340, 3591936), (360, 3392384), (384, 3180360), (408, 2993280), (480, 2544288), (510, 2394624), (512, 2385270), (544, 2244960), (576, 2120240), (612, 1995520), (640, 1908216), (680, 1795968), (720, 1696192), (765, 1596416), (768, 1590180), (816, 1496640), (960, 1272144), (1020, 1197312), (1024, 1192635), (1088, 1122480), (1152, 1060120), (1224, 997760), (1280, 954108), (1360, 897984), (1440, 848096), (1530, 798208), (1536, 795090), (1559, 783360), (1632, 748320), (1920, 636072), (2040, 598656), (2176, 561240), (2304, 530060), (2448, 498880), (2560, 477054), (2720, 448992), (2880, 424048), (3060, 399104), (3072, 397545), (3118, 391680), (3264, 374160), (3840, 318036), (4080, 299328), (4352, 280620), (4608, 265030), (4677, 261120), (4896, 249440), (5120, 238527), (5440, 224496), (5760, 212024), (6120, 199552), (6236, 195840), (6528, 187080), (7680, 159018), (7795, 156672), (8160, 149664), (8704, 140310), (9216, 132515), (9354, 130560), (9792, 124720), (10880, 112248), (11520, 106012), (12240, 99776), (12472, 97920), (13056, 93540), (14031, 87040), (15360, 79509), (15590, 78336), (16320, 74832), (17408, 70155), (18708, 65280), (19584, 62360), (21760, 56124), (23040, 53006), (23385, 52224), (24480, 49888), (24944, 48960), (26112, 46770), (26503, 46080), (28062, 43520), (31180, 39168), (32640, 37416)]