257967360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^2\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 324

約数和(自身を含む): 1040532948

約数和(自身を除く): 782565588

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, 256, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 457, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 768, 784, 840, 882, 896, 914, 960, 980, 1008, 1120, 1152, 1176, 1260, 1280, 1344, 1371, 1440, 1470, 1568, 1680, 1764, 1792, 1828, 1920, 1960, 2016, 2205, 2240, 2285, 2304, 2352, 2520, 2688, 2742, 2880, 2940, 3136, 3199, 3360, 3528, 3656, 3840, 3920, 4032, 4113, 4410, 4480, 4570, 4704, 5040, 5376, 5484, 5760, 5880, 6272, 6398, 6720, 6855, 7056, 7312, 7840, 8064, 8226, 8820, 8960, 9140, 9408, 9597, 10080, 10968, 11520, 11760, 12544, 12796, 13440, 13710, 14112, 14624, 15680, 15995, 16128, 16452, 17640, 18280, 18816, 19194, 20160, 20565, 21936, 22393, 23520, 25592, 26880, 27420, 28224, 28791, 29248, 31360, 31990, 32904, 35280, 36560, 37632, 38388, 40320, 41130, 43872, 44786, 47040, 47985, 51184, 54840, 56448, 57582, 58496, 62720, 63980, 65808, 67179, 70560, 73120, 76776, 80640, 82260, 87744, 89572, 94080, 95970, 102368, 109680, 111965, 112896, 115164, 116992, 127960, 131616, 134358, 141120, 143955, 146240, 153552, 164520, 175488, 179144, 188160, 191940, 201537, 204736, 219360, 223930, 230328, 255920, 263232, 268716, 282240, 287910, 292480, 307104, 329040, 335895, 350976, 358288, 383880, 403074, 409472, 438720, 447860, 460656, 511840, 526464, 537432, 564480, 575820, 584960, 614208, 658080, 671790, 716576, 767760, 806148, 818944, 877440, 895720, 921312, 1007685, 1023680, 1052928, 1074864, 1151640, 1228416, 1316160, 1343580, 1433152, 1535520, 1612296, 1754880, 1791440, 1842624, 2015370, 2047360, 2149728, 2303280, 2456832, 2632320, 2687160, 2866304, 3071040, 3224592, 3582880, 3685248, 4030740, 4094720, 4299456, 4606560, 5264640, 5374320, 5732608, 6142080, 6449184, 7165760, 7370496, 8061480, 8598912, 9213120, 10748640, 12284160, 12898368, 14331520, 16122960, 17197824, 18426240, 21497280, 25796736, 28663040, 32245920, 36852480, 42994560, 51593472, 64491840, 85989120, 128983680, 257967360]

約数ペア:

[(1, 257967360), (2, 128983680), (3, 85989120), (4, 64491840), (5, 51593472), (6, 42994560), (7, 36852480), (8, 32245920), (9, 28663040), (10, 25796736), (12, 21497280), (14, 18426240), (15, 17197824), (16, 16122960), (18, 14331520), (20, 12898368), (21, 12284160), (24, 10748640), (28, 9213120), (30, 8598912), (32, 8061480), (35, 7370496), (36, 7165760), (40, 6449184), (42, 6142080), (45, 5732608), (48, 5374320), (49, 5264640), (56, 4606560), (60, 4299456), (63, 4094720), (64, 4030740), (70, 3685248), (72, 3582880), (80, 3224592), (84, 3071040), (90, 2866304), (96, 2687160), (98, 2632320), (105, 2456832), (112, 2303280), (120, 2149728), (126, 2047360), (128, 2015370), (140, 1842624), (144, 1791440), (147, 1754880), (160, 1612296), (168, 1535520), (180, 1433152), (192, 1343580), (196, 1316160), (210, 1228416), (224, 1151640), (240, 1074864), (245, 1052928), (252, 1023680), (256, 1007685), (280, 921312), (288, 895720), (294, 877440), (315, 818944), (320, 806148), (336, 767760), (360, 716576), (384, 671790), (392, 658080), (420, 614208), (441, 584960), (448, 575820), (457, 564480), (480, 537432), (490, 526464), (504, 511840), (560, 460656), (576, 447860), (588, 438720), (630, 409472), (640, 403074), (672, 383880), (720, 358288), (735, 350976), (768, 335895), (784, 329040), (840, 307104), (882, 292480), (896, 287910), (914, 282240), (960, 268716), (980, 263232), (1008, 255920), (1120, 230328), (1152, 223930), (1176, 219360), (1260, 204736), (1280, 201537), (1344, 191940), (1371, 188160), (1440, 179144), (1470, 175488), (1568, 164520), (1680, 153552), (1764, 146240), (1792, 143955), (1828, 141120), (1920, 134358), (1960, 131616), (2016, 127960), (2205, 116992), (2240, 115164), (2285, 112896), (2304, 111965), (2352, 109680), (2520, 102368), (2688, 95970), (2742, 94080), (2880, 89572), (2940, 87744), (3136, 82260), (3199, 80640), (3360, 76776), (3528, 73120), (3656, 70560), (3840, 67179), (3920, 65808), (4032, 63980), (4113, 62720), (4410, 58496), (4480, 57582), (4570, 56448), (4704, 54840), (5040, 51184), (5376, 47985), (5484, 47040), (5760, 44786), (5880, 43872), (6272, 41130), (6398, 40320), (6720, 38388), (6855, 37632), (7056, 36560), (7312, 35280), (7840, 32904), (8064, 31990), (8226, 31360), (8820, 29248), (8960, 28791), (9140, 28224), (9408, 27420), (9597, 26880), (10080, 25592), (10968, 23520), (11520, 22393), (11760, 21936), (12544, 20565), (12796, 20160), (13440, 19194), (13710, 18816), (14112, 18280), (14624, 17640), (15680, 16452), (15995, 16128)]