256465440

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 480

約数和(自身を含む): 1132838784

約数和(自身を除く): 876373344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 160, 162, 165, 168, 176, 180, 189, 198, 210, 216, 220, 224, 231, 240, 252, 257, 264, 270, 280, 288, 297, 308, 315, 324, 330, 336, 352, 360, 378, 385, 396, 405, 420, 432, 440, 462, 480, 495, 504, 514, 528, 540, 560, 567, 594, 616, 630, 648, 660, 672, 693, 720, 756, 770, 771, 792, 810, 840, 864, 880, 891, 924, 945, 990, 1008, 1028, 1056, 1080, 1120, 1134, 1155, 1188, 1232, 1260, 1285, 1296, 1320, 1386, 1440, 1485, 1512, 1540, 1542, 1584, 1620, 1680, 1760, 1782, 1799, 1848, 1890, 1980, 2016, 2056, 2079, 2160, 2268, 2310, 2313, 2376, 2464, 2520, 2570, 2592, 2640, 2772, 2827, 2835, 2970, 3024, 3080, 3084, 3168, 3240, 3360, 3465, 3564, 3598, 3696, 3780, 3855, 3960, 4112, 4158, 4320, 4455, 4536, 4620, 4626, 4752, 5040, 5140, 5280, 5397, 5544, 5654, 5670, 5940, 6048, 6160, 6168, 6237, 6480, 6930, 6939, 7128, 7196, 7392, 7560, 7710, 7920, 8224, 8316, 8481, 8910, 8995, 9072, 9240, 9252, 9504, 10080, 10280, 10395, 10794, 11088, 11308, 11340, 11565, 11880, 12320, 12336, 12474, 12960, 13860, 13878, 14135, 14256, 14392, 15120, 15420, 15840, 16191, 16632, 16962, 17820, 17990, 18144, 18480, 18504, 19789, 20560, 20790, 20817, 21588, 22176, 22616, 22680, 23130, 23760, 24672, 24948, 25443, 26985, 27720, 27756, 28270, 28512, 28784, 30240, 30840, 31185, 32382, 33264, 33924, 34695, 35640, 35980, 36960, 37008, 39578, 41120, 41580, 41634, 42405, 43176, 45232, 45360, 46260, 47520, 48573, 49896, 50886, 53970, 55440, 55512, 56540, 57568, 59367, 61680, 62370, 64764, 66528, 67848, 69390, 71280, 71960, 74016, 76329, 79156, 80955, 83160, 83268, 84810, 86352, 90464, 90720, 92520, 97146, 98945, 99792, 101772, 104085, 107940, 110880, 111024, 113080, 118734, 123360, 124740, 127215, 129528, 135696, 138780, 142560, 143920, 145719, 152658, 158312, 161910, 166320, 166536, 169620, 172704, 178101, 185040, 194292, 197890, 199584, 203544, 208170, 215880, 222048, 226160, 228987, 237468, 242865, 249480, 254430, 259056, 271392, 277560, 287840, 291438, 296835, 305316, 316624, 323820, 332640, 333072, 339240, 356202, 370080, 381645, 388584, 395780, 407088, 416340, 431760, 452320, 457974, 474936, 485730, 498960, 508860, 518112, 534303, 555120, 582876, 593670, 610632, 633248, 647640, 666144, 678480, 712404, 728595, 763290, 777168, 791560, 814176, 832680, 863520, 890505, 915948, 949872, 971460, 997920, 1017720, 1068606, 1110240, 1144935, 1165752, 1187340, 1221264, 1295280, 1356960, 1424808, 1457190, 1526580, 1554336, 1583120, 1602909, 1665360, 1781010, 1831896, 1899744, 1942920, 2035440, 2137212, 2289870, 2331504, 2374680, 2442528, 2590560, 2671515, 2849616, 2914380, 3053160, 3166240, 3205818, 3330720, 3562020, 3663792, 3885840, 4070880, 4274424, 4579740, 4663008, 4749360, 5343030, 5699232, 5828760, 6106320, 6411636, 7124040, 7327584, 7771680, 8014545, 8548848, 9159480, 9498720, 10686060, 11657520, 12212640, 12823272, 14248080, 16029090, 17097696, 18318960, 21372120, 23315040, 25646544, 28496160, 32058180, 36637920, 42744240, 51293088, 64116360, 85488480, 128232720, 256465440]

約数ペア:

[(1, 256465440), (2, 128232720), (3, 85488480), (4, 64116360), (5, 51293088), (6, 42744240), (7, 36637920), (8, 32058180), (9, 28496160), (10, 25646544), (11, 23315040), (12, 21372120), (14, 18318960), (15, 17097696), (16, 16029090), (18, 14248080), (20, 12823272), (21, 12212640), (22, 11657520), (24, 10686060), (27, 9498720), (28, 9159480), (30, 8548848), (32, 8014545), (33, 7771680), (35, 7327584), (36, 7124040), (40, 6411636), (42, 6106320), (44, 5828760), (45, 5699232), (48, 5343030), (54, 4749360), (55, 4663008), (56, 4579740), (60, 4274424), (63, 4070880), (66, 3885840), (70, 3663792), (72, 3562020), (77, 3330720), (80, 3205818), (81, 3166240), (84, 3053160), (88, 2914380), (90, 2849616), (96, 2671515), (99, 2590560), (105, 2442528), (108, 2374680), (110, 2331504), (112, 2289870), (120, 2137212), (126, 2035440), (132, 1942920), (135, 1899744), (140, 1831896), (144, 1781010), (154, 1665360), (160, 1602909), (162, 1583120), (165, 1554336), (168, 1526580), (176, 1457190), (180, 1424808), (189, 1356960), (198, 1295280), (210, 1221264), (216, 1187340), (220, 1165752), (224, 1144935), (231, 1110240), (240, 1068606), (252, 1017720), (257, 997920), (264, 971460), (270, 949872), (280, 915948), (288, 890505), (297, 863520), (308, 832680), (315, 814176), (324, 791560), (330, 777168), (336, 763290), (352, 728595), (360, 712404), (378, 678480), (385, 666144), (396, 647640), (405, 633248), (420, 610632), (432, 593670), (440, 582876), (462, 555120), (480, 534303), (495, 518112), (504, 508860), (514, 498960), (528, 485730), (540, 474936), (560, 457974), (567, 452320), (594, 431760), (616, 416340), (630, 407088), (648, 395780), (660, 388584), (672, 381645), (693, 370080), (720, 356202), (756, 339240), (770, 333072), (771, 332640), (792, 323820), (810, 316624), (840, 305316), (864, 296835), (880, 291438), (891, 287840), (924, 277560), (945, 271392), (990, 259056), (1008, 254430), (1028, 249480), (1056, 242865), (1080, 237468), (1120, 228987), (1134, 226160), (1155, 222048), (1188, 215880), (1232, 208170), (1260, 203544), (1285, 199584), (1296, 197890), (1320, 194292), (1386, 185040), (1440, 178101), (1485, 172704), (1512, 169620), (1540, 166536), (1542, 166320), (1584, 161910), (1620, 158312), (1680, 152658), (1760, 145719), (1782, 143920), (1799, 142560), (1848, 138780), (1890, 135696), (1980, 129528), (2016, 127215), (2056, 124740), (2079, 123360), (2160, 118734), (2268, 113080), (2310, 111024), (2313, 110880), (2376, 107940), (2464, 104085), (2520, 101772), (2570, 99792), (2592, 98945), (2640, 97146), (2772, 92520), (2827, 90720), (2835, 90464), (2970, 86352), (3024, 84810), (3080, 83268), (3084, 83160), (3168, 80955), (3240, 79156), (3360, 76329), (3465, 74016), (3564, 71960), (3598, 71280), (3696, 69390), (3780, 67848), (3855, 66528), (3960, 64764), (4112, 62370), (4158, 61680), (4320, 59367), (4455, 57568), (4536, 56540), (4620, 55512), (4626, 55440), (4752, 53970), (5040, 50886), (5140, 49896), (5280, 48573), (5397, 47520), (5544, 46260), (5654, 45360), (5670, 45232), (5940, 43176), (6048, 42405), (6160, 41634), (6168, 41580), (6237, 41120), (6480, 39578), (6930, 37008), (6939, 36960), (7128, 35980), (7196, 35640), (7392, 34695), (7560, 33924), (7710, 33264), (7920, 32382), (8224, 31185), (8316, 30840), (8481, 30240), (8910, 28784), (8995, 28512), (9072, 28270), (9240, 27756), (9252, 27720), (9504, 26985), (10080, 25443), (10280, 24948), (10395, 24672), (10794, 23760), (11088, 23130), (11308, 22680), (11340, 22616), (11565, 22176), (11880, 21588), (12320, 20817), (12336, 20790), (12474, 20560), (12960, 19789), (13860, 18504), (13878, 18480), (14135, 18144), (14256, 17990), (14392, 17820), (15120, 16962), (15420, 16632), (15840, 16191)]