257362560

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 384

約数和(自身を含む): 1096018560

約数和(自身を除く): 838656000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 128, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 320, 336, 360, 364, 384, 390, 416, 420, 448, 455, 468, 480, 491, 504, 520, 546, 560, 576, 585, 624, 630, 640, 672, 720, 728, 780, 819, 832, 840, 896, 910, 936, 960, 982, 1008, 1040, 1092, 1120, 1152, 1170, 1248, 1260, 1344, 1365, 1440, 1456, 1473, 1560, 1638, 1664, 1680, 1820, 1872, 1920, 1964, 2016, 2080, 2184, 2240, 2340, 2455, 2496, 2520, 2688, 2730, 2880, 2912, 2946, 3120, 3276, 3360, 3437, 3640, 3744, 3928, 4032, 4095, 4160, 4368, 4419, 4480, 4680, 4910, 4992, 5040, 5460, 5760, 5824, 5892, 6240, 6383, 6552, 6720, 6874, 7280, 7365, 7488, 7856, 8064, 8190, 8320, 8736, 8838, 9360, 9820, 10080, 10311, 10920, 11648, 11784, 12480, 12766, 13104, 13440, 13748, 14560, 14730, 14976, 15712, 16380, 17185, 17472, 17676, 18720, 19149, 19640, 20160, 20622, 21840, 22095, 23568, 24960, 25532, 26208, 27496, 29120, 29460, 30933, 31424, 31915, 32760, 34370, 34944, 35352, 37440, 38298, 39280, 40320, 41244, 43680, 44190, 44681, 47136, 51064, 51555, 52416, 54992, 57447, 58240, 58920, 61866, 62848, 63830, 65520, 68740, 70704, 74880, 76596, 78560, 82488, 87360, 88380, 89362, 94272, 95745, 102128, 103110, 104832, 109984, 114894, 117840, 123732, 127660, 131040, 134043, 137480, 141408, 153192, 154665, 157120, 164976, 174720, 176760, 178724, 188544, 191490, 204256, 206220, 219968, 223405, 229788, 235680, 247464, 255320, 262080, 268086, 274960, 282816, 287235, 306384, 309330, 314240, 329952, 353520, 357448, 382980, 402129, 408512, 412440, 439936, 446810, 459576, 471360, 494928, 510640, 524160, 536172, 549920, 565632, 574470, 612768, 618660, 659904, 670215, 707040, 714896, 765960, 804258, 817024, 824880, 893620, 919152, 942720, 989856, 1021280, 1072344, 1099840, 1148940, 1225536, 1237320, 1319808, 1340430, 1414080, 1429792, 1531920, 1608516, 1649760, 1787240, 1838304, 1979712, 2010645, 2042560, 2144688, 2199680, 2297880, 2451072, 2474640, 2680860, 2828160, 2859584, 3063840, 3217032, 3299520, 3574480, 3676608, 3959424, 4021290, 4085120, 4289376, 4595760, 4949280, 5361720, 5719168, 6127680, 6434064, 6599040, 7148960, 7353216, 8042580, 8578752, 9191520, 9898560, 10723440, 12255360, 12868128, 14297920, 16085160, 17157504, 18383040, 19797120, 21446880, 25736256, 28595840, 32170320, 36766080, 42893760, 51472512, 64340640, 85787520, 128681280, 257362560]

約数ペア:

[(1, 257362560), (2, 128681280), (3, 85787520), (4, 64340640), (5, 51472512), (6, 42893760), (7, 36766080), (8, 32170320), (9, 28595840), (10, 25736256), (12, 21446880), (13, 19797120), (14, 18383040), (15, 17157504), (16, 16085160), (18, 14297920), (20, 12868128), (21, 12255360), (24, 10723440), (26, 9898560), (28, 9191520), (30, 8578752), (32, 8042580), (35, 7353216), (36, 7148960), (39, 6599040), (40, 6434064), (42, 6127680), (45, 5719168), (48, 5361720), (52, 4949280), (56, 4595760), (60, 4289376), (63, 4085120), (64, 4021290), (65, 3959424), (70, 3676608), (72, 3574480), (78, 3299520), (80, 3217032), (84, 3063840), (90, 2859584), (91, 2828160), (96, 2680860), (104, 2474640), (105, 2451072), (112, 2297880), (117, 2199680), (120, 2144688), (126, 2042560), (128, 2010645), (130, 1979712), (140, 1838304), (144, 1787240), (156, 1649760), (160, 1608516), (168, 1531920), (180, 1429792), (182, 1414080), (192, 1340430), (195, 1319808), (208, 1237320), (210, 1225536), (224, 1148940), (234, 1099840), (240, 1072344), (252, 1021280), (260, 989856), (273, 942720), (280, 919152), (288, 893620), (312, 824880), (315, 817024), (320, 804258), (336, 765960), (360, 714896), (364, 707040), (384, 670215), (390, 659904), (416, 618660), (420, 612768), (448, 574470), (455, 565632), (468, 549920), (480, 536172), (491, 524160), (504, 510640), (520, 494928), (546, 471360), (560, 459576), (576, 446810), (585, 439936), (624, 412440), (630, 408512), (640, 402129), (672, 382980), (720, 357448), (728, 353520), (780, 329952), (819, 314240), (832, 309330), (840, 306384), (896, 287235), (910, 282816), (936, 274960), (960, 268086), (982, 262080), (1008, 255320), (1040, 247464), (1092, 235680), (1120, 229788), (1152, 223405), (1170, 219968), (1248, 206220), (1260, 204256), (1344, 191490), (1365, 188544), (1440, 178724), (1456, 176760), (1473, 174720), (1560, 164976), (1638, 157120), (1664, 154665), (1680, 153192), (1820, 141408), (1872, 137480), (1920, 134043), (1964, 131040), (2016, 127660), (2080, 123732), (2184, 117840), (2240, 114894), (2340, 109984), (2455, 104832), (2496, 103110), (2520, 102128), (2688, 95745), (2730, 94272), (2880, 89362), (2912, 88380), (2946, 87360), (3120, 82488), (3276, 78560), (3360, 76596), (3437, 74880), (3640, 70704), (3744, 68740), (3928, 65520), (4032, 63830), (4095, 62848), (4160, 61866), (4368, 58920), (4419, 58240), (4480, 57447), (4680, 54992), (4910, 52416), (4992, 51555), (5040, 51064), (5460, 47136), (5760, 44681), (5824, 44190), (5892, 43680), (6240, 41244), (6383, 40320), (6552, 39280), (6720, 38298), (6874, 37440), (7280, 35352), (7365, 34944), (7488, 34370), (7856, 32760), (8064, 31915), (8190, 31424), (8320, 30933), (8736, 29460), (8838, 29120), (9360, 27496), (9820, 26208), (10080, 25532), (10311, 24960), (10920, 23568), (11648, 22095), (11784, 21840), (12480, 20622), (12766, 20160), (13104, 19640), (13440, 19149), (13748, 18720), (14560, 17676), (14730, 17472), (14976, 17185), (15712, 16380)]