255991680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 288

約数和(自身を含む): 1029426840

約数和(自身を除く): 773435160

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, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 907, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1814, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2721, 2880, 2940, 3136, 3360, 3528, 3628, 3920, 4032, 4410, 4480, 4535, 4704, 5040, 5442, 5760, 5880, 6272, 6349, 6720, 7056, 7256, 7840, 8064, 8163, 8820, 9070, 9408, 10080, 10884, 11760, 12698, 13440, 13605, 14112, 14512, 15680, 16326, 17640, 18140, 18816, 19047, 20160, 21768, 23520, 25396, 27210, 28224, 29024, 31360, 31745, 32652, 35280, 36280, 38094, 40320, 40815, 43536, 44443, 47040, 50792, 54420, 56448, 57141, 58048, 63490, 65304, 70560, 72560, 76188, 81630, 87072, 88886, 94080, 95235, 101584, 108840, 114282, 116096, 126980, 130608, 133329, 141120, 145120, 152376, 163260, 174144, 177772, 190470, 203168, 217680, 222215, 228564, 253960, 261216, 266658, 282240, 285705, 290240, 304752, 326520, 348288, 355544, 380940, 399987, 406336, 435360, 444430, 457128, 507920, 522432, 533316, 571410, 580480, 609504, 653040, 666645, 711088, 761880, 799974, 812672, 870720, 888860, 914256, 1015840, 1044864, 1066632, 1142820, 1219008, 1306080, 1333290, 1422176, 1523760, 1599948, 1741440, 1777720, 1828512, 1999935, 2031680, 2133264, 2285640, 2438016, 2612160, 2666580, 2844352, 3047520, 3199896, 3555440, 3657024, 3999870, 4063360, 4266528, 4571280, 5224320, 5333160, 5688704, 6095040, 6399792, 7110880, 7314048, 7999740, 8533056, 9142560, 10666320, 12190080, 12799584, 14221760, 15999480, 17066112, 18285120, 21332640, 25599168, 28443520, 31998960, 36570240, 42665280, 51198336, 63997920, 85330560, 127995840, 255991680]

約数ペア:

[(1, 255991680), (2, 127995840), (3, 85330560), (4, 63997920), (5, 51198336), (6, 42665280), (7, 36570240), (8, 31998960), (9, 28443520), (10, 25599168), (12, 21332640), (14, 18285120), (15, 17066112), (16, 15999480), (18, 14221760), (20, 12799584), (21, 12190080), (24, 10666320), (28, 9142560), (30, 8533056), (32, 7999740), (35, 7314048), (36, 7110880), (40, 6399792), (42, 6095040), (45, 5688704), (48, 5333160), (49, 5224320), (56, 4571280), (60, 4266528), (63, 4063360), (64, 3999870), (70, 3657024), (72, 3555440), (80, 3199896), (84, 3047520), (90, 2844352), (96, 2666580), (98, 2612160), (105, 2438016), (112, 2285640), (120, 2133264), (126, 2031680), (128, 1999935), (140, 1828512), (144, 1777720), (147, 1741440), (160, 1599948), (168, 1523760), (180, 1422176), (192, 1333290), (196, 1306080), (210, 1219008), (224, 1142820), (240, 1066632), (245, 1044864), (252, 1015840), (280, 914256), (288, 888860), (294, 870720), (315, 812672), (320, 799974), (336, 761880), (360, 711088), (384, 666645), (392, 653040), (420, 609504), (441, 580480), (448, 571410), (480, 533316), (490, 522432), (504, 507920), (560, 457128), (576, 444430), (588, 435360), (630, 406336), (640, 399987), (672, 380940), (720, 355544), (735, 348288), (784, 326520), (840, 304752), (882, 290240), (896, 285705), (907, 282240), (960, 266658), (980, 261216), (1008, 253960), (1120, 228564), (1152, 222215), (1176, 217680), (1260, 203168), (1344, 190470), (1440, 177772), (1470, 174144), (1568, 163260), (1680, 152376), (1764, 145120), (1814, 141120), (1920, 133329), (1960, 130608), (2016, 126980), (2205, 116096), (2240, 114282), (2352, 108840), (2520, 101584), (2688, 95235), (2721, 94080), (2880, 88886), (2940, 87072), (3136, 81630), (3360, 76188), (3528, 72560), (3628, 70560), (3920, 65304), (4032, 63490), (4410, 58048), (4480, 57141), (4535, 56448), (4704, 54420), (5040, 50792), (5442, 47040), (5760, 44443), (5880, 43536), (6272, 40815), (6349, 40320), (6720, 38094), (7056, 36280), (7256, 35280), (7840, 32652), (8064, 31745), (8163, 31360), (8820, 29024), (9070, 28224), (9408, 27210), (10080, 25396), (10884, 23520), (11760, 21768), (12698, 20160), (13440, 19047), (13605, 18816), (14112, 18140), (14512, 17640), (15680, 16326)]