280385280

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 576

約数和(自身を含む): 1216588800

約数和(自身を除く): 936203520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 61, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 122, 126, 128, 133, 135, 140, 144, 152, 160, 168, 171, 180, 183, 189, 190, 192, 210, 216, 224, 228, 240, 244, 252, 256, 266, 270, 280, 285, 288, 304, 305, 315, 320, 336, 342, 360, 366, 378, 380, 384, 399, 420, 427, 432, 448, 456, 480, 488, 504, 513, 532, 540, 549, 560, 570, 576, 608, 610, 630, 640, 665, 672, 684, 720, 732, 756, 760, 768, 798, 840, 854, 855, 864, 896, 912, 915, 945, 960, 976, 1008, 1026, 1064, 1080, 1098, 1120, 1140, 1152, 1159, 1197, 1216, 1220, 1260, 1280, 1281, 1330, 1344, 1368, 1440, 1464, 1512, 1520, 1596, 1647, 1680, 1708, 1710, 1728, 1792, 1824, 1830, 1890, 1920, 1952, 1995, 2016, 2052, 2128, 2135, 2160, 2196, 2240, 2280, 2304, 2318, 2394, 2432, 2440, 2520, 2562, 2565, 2660, 2688, 2736, 2745, 2880, 2928, 3024, 3040, 3192, 3294, 3360, 3416, 3420, 3456, 3477, 3591, 3648, 3660, 3780, 3840, 3843, 3904, 3990, 4032, 4104, 4256, 4270, 4320, 4392, 4480, 4560, 4636, 4788, 4864, 4880, 5040, 5124, 5130, 5320, 5376, 5472, 5490, 5760, 5795, 5856, 5985, 6048, 6080, 6384, 6405, 6588, 6720, 6832, 6840, 6912, 6954, 7182, 7296, 7320, 7560, 7686, 7808, 7980, 8064, 8113, 8208, 8235, 8512, 8540, 8640, 8784, 8960, 9120, 9272, 9576, 9760, 10080, 10248, 10260, 10431, 10640, 10944, 10980, 11520, 11529, 11590, 11712, 11970, 12096, 12160, 12768, 12810, 13176, 13440, 13664, 13680, 13908, 14364, 14592, 14640, 15120, 15372, 15616, 15960, 16128, 16226, 16416, 16470, 17024, 17080, 17280, 17385, 17568, 17955, 18240, 18544, 19152, 19215, 19520, 20160, 20496, 20520, 20862, 21280, 21888, 21960, 23058, 23180, 23424, 23940, 24192, 24320, 24339, 25536, 25620, 26352, 26880, 27328, 27360, 27816, 28728, 29280, 30240, 30744, 31293, 31920, 32452, 32832, 32940, 34048, 34160, 34560, 34770, 35136, 35910, 36480, 37088, 38304, 38430, 39040, 40320, 40565, 40992, 41040, 41724, 42560, 43776, 43920, 46116, 46360, 46848, 47880, 48384, 48678, 51072, 51240, 52155, 52704, 54656, 54720, 55632, 57456, 57645, 58560, 60480, 61488, 62586, 63840, 64904, 65664, 65880, 68320, 69540, 70272, 71820, 72960, 73017, 74176, 76608, 76860, 78080, 80640, 81130, 81984, 82080, 83448, 85120, 87840, 92232, 92720, 95760, 97356, 102144, 102480, 104310, 105408, 109312, 109440, 111264, 114912, 115290, 117120, 120960, 121695, 122976, 125172, 127680, 129808, 131328, 131760, 136640, 139080, 140544, 143640, 146034, 148352, 153216, 153720, 156465, 162260, 163968, 164160, 166896, 170240, 175680, 184464, 185440, 191520, 194712, 204960, 208620, 210816, 218880, 219051, 222528, 229824, 230580, 234240, 241920, 243390, 245952, 250344, 255360, 259616, 263520, 273280, 278160, 287280, 292068, 296704, 306432, 307440, 312930, 324520, 327936, 328320, 333792, 351360, 365085, 368928, 370880, 383040, 389424, 409920, 417240, 421632, 438102, 445056, 459648, 461160, 486780, 491904, 500688, 510720, 519232, 527040, 546560, 556320, 574560, 584136, 614880, 625860, 649040, 656640, 667584, 702720, 730170, 737856, 741760, 766080, 778848, 819840, 834480, 876204, 890112, 919296, 922320, 973560, 983808, 1001376, 1038464, 1054080, 1095255, 1112640, 1149120, 1168272, 1229760, 1251720, 1298080, 1335168, 1460340, 1475712, 1483520, 1532160, 1557696, 1639680, 1668960, 1752408, 1844640, 1947120, 2002752, 2076928, 2108160, 2190510, 2225280, 2298240, 2336544, 2459520, 2503440, 2596160, 2670336, 2920680, 2951424, 3115392, 3337920, 3504816, 3689280, 3894240, 4005504, 4381020, 4450560, 4596480, 4673088, 4919040, 5006880, 5192320, 5841360, 6230784, 6675840, 7009632, 7378560, 7788480, 8011008, 8762040, 9346176, 10013760, 10384640, 11682720, 13351680, 14019264, 14757120, 15576960, 17524080, 18692352, 20027520, 23365440, 28038528, 31153920, 35048160, 40055040, 46730880, 56077056, 70096320, 93461760, 140192640, 280385280]

約数ペア:

[(1, 280385280), (2, 140192640), (3, 93461760), (4, 70096320), (5, 56077056), (6, 46730880), (7, 40055040), (8, 35048160), (9, 31153920), (10, 28038528), (12, 23365440), (14, 20027520), (15, 18692352), (16, 17524080), (18, 15576960), (19, 14757120), (20, 14019264), (21, 13351680), (24, 11682720), (27, 10384640), (28, 10013760), (30, 9346176), (32, 8762040), (35, 8011008), (36, 7788480), (38, 7378560), (40, 7009632), (42, 6675840), (45, 6230784), (48, 5841360), (54, 5192320), (56, 5006880), (57, 4919040), (60, 4673088), (61, 4596480), (63, 4450560), (64, 4381020), (70, 4005504), (72, 3894240), (76, 3689280), (80, 3504816), (84, 3337920), (90, 3115392), (95, 2951424), (96, 2920680), (105, 2670336), (108, 2596160), (112, 2503440), (114, 2459520), (120, 2336544), (122, 2298240), (126, 2225280), (128, 2190510), (133, 2108160), (135, 2076928), (140, 2002752), (144, 1947120), (152, 1844640), (160, 1752408), (168, 1668960), (171, 1639680), (180, 1557696), (183, 1532160), (189, 1483520), (190, 1475712), (192, 1460340), (210, 1335168), (216, 1298080), (224, 1251720), (228, 1229760), (240, 1168272), (244, 1149120), (252, 1112640), (256, 1095255), (266, 1054080), (270, 1038464), (280, 1001376), (285, 983808), (288, 973560), (304, 922320), (305, 919296), (315, 890112), (320, 876204), (336, 834480), (342, 819840), (360, 778848), (366, 766080), (378, 741760), (380, 737856), (384, 730170), (399, 702720), (420, 667584), (427, 656640), (432, 649040), (448, 625860), (456, 614880), (480, 584136), (488, 574560), (504, 556320), (513, 546560), (532, 527040), (540, 519232), (549, 510720), (560, 500688), (570, 491904), (576, 486780), (608, 461160), (610, 459648), (630, 445056), (640, 438102), (665, 421632), (672, 417240), (684, 409920), (720, 389424), (732, 383040), (756, 370880), (760, 368928), (768, 365085), (798, 351360), (840, 333792), (854, 328320), (855, 327936), (864, 324520), (896, 312930), (912, 307440), (915, 306432), (945, 296704), (960, 292068), (976, 287280), (1008, 278160), (1026, 273280), (1064, 263520), (1080, 259616), (1098, 255360), (1120, 250344), (1140, 245952), (1152, 243390), (1159, 241920), (1197, 234240), (1216, 230580), (1220, 229824), (1260, 222528), (1280, 219051), (1281, 218880), (1330, 210816), (1344, 208620), (1368, 204960), (1440, 194712), (1464, 191520), (1512, 185440), (1520, 184464), (1596, 175680), (1647, 170240), (1680, 166896), (1708, 164160), (1710, 163968), (1728, 162260), (1792, 156465), (1824, 153720), (1830, 153216), (1890, 148352), (1920, 146034), (1952, 143640), (1995, 140544), (2016, 139080), (2052, 136640), (2128, 131760), (2135, 131328), (2160, 129808), (2196, 127680), (2240, 125172), (2280, 122976), (2304, 121695), (2318, 120960), (2394, 117120), (2432, 115290), (2440, 114912), (2520, 111264), (2562, 109440), (2565, 109312), (2660, 105408), (2688, 104310), (2736, 102480), (2745, 102144), (2880, 97356), (2928, 95760), (3024, 92720), (3040, 92232), (3192, 87840), (3294, 85120), (3360, 83448), (3416, 82080), (3420, 81984), (3456, 81130), (3477, 80640), (3591, 78080), (3648, 76860), (3660, 76608), (3780, 74176), (3840, 73017), (3843, 72960), (3904, 71820), (3990, 70272), (4032, 69540), (4104, 68320), (4256, 65880), (4270, 65664), (4320, 64904), (4392, 63840), (4480, 62586), (4560, 61488), (4636, 60480), (4788, 58560), (4864, 57645), (4880, 57456), (5040, 55632), (5124, 54720), (5130, 54656), (5320, 52704), (5376, 52155), (5472, 51240), (5490, 51072), (5760, 48678), (5795, 48384), (5856, 47880), (5985, 46848), (6048, 46360), (6080, 46116), (6384, 43920), (6405, 43776), (6588, 42560), (6720, 41724), (6832, 41040), (6840, 40992), (6912, 40565), (6954, 40320), (7182, 39040), (7296, 38430), (7320, 38304), (7560, 37088), (7686, 36480), (7808, 35910), (7980, 35136), (8064, 34770), (8113, 34560), (8208, 34160), (8235, 34048), (8512, 32940), (8540, 32832), (8640, 32452), (8784, 31920), (8960, 31293), (9120, 30744), (9272, 30240), (9576, 29280), (9760, 28728), (10080, 27816), (10248, 27360), (10260, 27328), (10431, 26880), (10640, 26352), (10944, 25620), (10980, 25536), (11520, 24339), (11529, 24320), (11590, 24192), (11712, 23940), (11970, 23424), (12096, 23180), (12160, 23058), (12768, 21960), (12810, 21888), (13176, 21280), (13440, 20862), (13664, 20520), (13680, 20496), (13908, 20160), (14364, 19520), (14592, 19215), (14640, 19152), (15120, 18544), (15372, 18240), (15616, 17955), (15960, 17568), (16128, 17385), (16226, 17280), (16416, 17080), (16470, 17024)]