257790720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 288

約数和(自身を含む): 953648640

約数和(自身を除く): 695857920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 255, 256, 264, 272, 320, 330, 340, 352, 359, 374, 384, 408, 440, 480, 510, 528, 544, 561, 640, 660, 680, 704, 718, 748, 768, 816, 880, 935, 960, 1020, 1056, 1077, 1088, 1122, 1280, 1320, 1360, 1408, 1436, 1496, 1632, 1760, 1795, 1870, 1920, 2040, 2112, 2154, 2176, 2244, 2640, 2720, 2805, 2816, 2872, 2992, 3264, 3520, 3590, 3740, 3840, 3949, 4080, 4224, 4308, 4352, 4488, 5280, 5385, 5440, 5610, 5744, 5984, 6103, 6528, 7040, 7180, 7480, 7898, 8160, 8448, 8616, 8976, 10560, 10770, 10880, 11220, 11488, 11847, 11968, 12206, 13056, 14080, 14360, 14960, 15796, 16320, 17232, 17952, 18309, 19745, 21120, 21540, 21760, 22440, 22976, 23694, 23936, 24412, 28720, 29920, 30515, 31592, 32640, 34464, 35904, 36618, 39490, 42240, 43080, 44880, 45952, 47388, 47872, 48824, 57440, 59235, 59840, 61030, 63184, 65280, 67133, 68928, 71808, 73236, 78980, 86160, 89760, 91545, 91904, 94776, 97648, 114880, 118470, 119680, 122060, 126368, 134266, 137856, 143616, 146472, 157960, 172320, 179520, 183090, 189552, 195296, 201399, 229760, 236940, 239360, 244120, 252736, 268532, 275712, 292944, 315920, 335665, 344640, 359040, 366180, 379104, 390592, 402798, 459520, 473880, 488240, 505472, 537064, 585888, 631840, 671330, 689280, 718080, 732360, 758208, 781184, 805596, 947760, 976480, 1006995, 1010944, 1074128, 1171776, 1263680, 1342660, 1378560, 1464720, 1516416, 1562368, 1611192, 1895520, 1952960, 2013990, 2148256, 2343552, 2527360, 2685320, 2929440, 3032832, 3222384, 3791040, 3905920, 4027980, 4296512, 4687104, 5054720, 5370640, 5858880, 6444768, 7582080, 7811840, 8055960, 8593024, 10741280, 11717760, 12889536, 15164160, 16111920, 17186048, 21482560, 23435520, 25779072, 32223840, 42965120, 51558144, 64447680, 85930240, 128895360, 257790720]

約数ペア:

[(1, 257790720), (2, 128895360), (3, 85930240), (4, 64447680), (5, 51558144), (6, 42965120), (8, 32223840), (10, 25779072), (11, 23435520), (12, 21482560), (15, 17186048), (16, 16111920), (17, 15164160), (20, 12889536), (22, 11717760), (24, 10741280), (30, 8593024), (32, 8055960), (33, 7811840), (34, 7582080), (40, 6444768), (44, 5858880), (48, 5370640), (51, 5054720), (55, 4687104), (60, 4296512), (64, 4027980), (66, 3905920), (68, 3791040), (80, 3222384), (85, 3032832), (88, 2929440), (96, 2685320), (102, 2527360), (110, 2343552), (120, 2148256), (128, 2013990), (132, 1952960), (136, 1895520), (160, 1611192), (165, 1562368), (170, 1516416), (176, 1464720), (187, 1378560), (192, 1342660), (204, 1263680), (220, 1171776), (240, 1074128), (255, 1010944), (256, 1006995), (264, 976480), (272, 947760), (320, 805596), (330, 781184), (340, 758208), (352, 732360), (359, 718080), (374, 689280), (384, 671330), (408, 631840), (440, 585888), (480, 537064), (510, 505472), (528, 488240), (544, 473880), (561, 459520), (640, 402798), (660, 390592), (680, 379104), (704, 366180), (718, 359040), (748, 344640), (768, 335665), (816, 315920), (880, 292944), (935, 275712), (960, 268532), (1020, 252736), (1056, 244120), (1077, 239360), (1088, 236940), (1122, 229760), (1280, 201399), (1320, 195296), (1360, 189552), (1408, 183090), (1436, 179520), (1496, 172320), (1632, 157960), (1760, 146472), (1795, 143616), (1870, 137856), (1920, 134266), (2040, 126368), (2112, 122060), (2154, 119680), (2176, 118470), (2244, 114880), (2640, 97648), (2720, 94776), (2805, 91904), (2816, 91545), (2872, 89760), (2992, 86160), (3264, 78980), (3520, 73236), (3590, 71808), (3740, 68928), (3840, 67133), (3949, 65280), (4080, 63184), (4224, 61030), (4308, 59840), (4352, 59235), (4488, 57440), (5280, 48824), (5385, 47872), (5440, 47388), (5610, 45952), (5744, 44880), (5984, 43080), (6103, 42240), (6528, 39490), (7040, 36618), (7180, 35904), (7480, 34464), (7898, 32640), (8160, 31592), (8448, 30515), (8616, 29920), (8976, 28720), (10560, 24412), (10770, 23936), (10880, 23694), (11220, 22976), (11488, 22440), (11847, 21760), (11968, 21540), (12206, 21120), (13056, 19745), (14080, 18309), (14360, 17952), (14960, 17232), (15796, 16320)]