257019840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 672

約数和(自身を含む): 1179210240

約数和(自身を除く): 922190400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 38, 40, 42, 44, 45, 48, 55, 56, 57, 60, 61, 63, 64, 66, 70, 72, 76, 77, 80, 84, 88, 90, 95, 96, 99, 105, 110, 112, 114, 120, 122, 126, 132, 133, 140, 144, 152, 154, 160, 165, 168, 171, 176, 180, 183, 190, 192, 198, 209, 210, 220, 224, 228, 231, 240, 244, 252, 264, 266, 280, 285, 288, 304, 305, 308, 315, 320, 330, 336, 342, 352, 360, 366, 380, 385, 396, 399, 418, 420, 427, 440, 448, 456, 462, 480, 488, 495, 504, 528, 532, 549, 560, 570, 576, 608, 610, 616, 627, 630, 660, 665, 671, 672, 684, 693, 704, 720, 732, 760, 770, 792, 798, 836, 840, 854, 855, 880, 912, 915, 924, 960, 976, 990, 1008, 1045, 1056, 1064, 1098, 1120, 1140, 1155, 1159, 1197, 1216, 1220, 1232, 1254, 1260, 1281, 1320, 1330, 1342, 1344, 1368, 1386, 1440, 1463, 1464, 1520, 1540, 1584, 1596, 1672, 1680, 1708, 1710, 1760, 1824, 1830, 1848, 1881, 1952, 1980, 1995, 2013, 2016, 2090, 2112, 2128, 2135, 2196, 2240, 2280, 2310, 2318, 2394, 2440, 2464, 2508, 2520, 2562, 2640, 2660, 2684, 2736, 2745, 2772, 2880, 2926, 2928, 3040, 3080, 3135, 3168, 3192, 3344, 3355, 3360, 3416, 3420, 3465, 3477, 3520, 3648, 3660, 3696, 3762, 3843, 3904, 3960, 3990, 4026, 4032, 4180, 4256, 4270, 4389, 4392, 4560, 4620, 4636, 4697, 4788, 4880, 4928, 5016, 5040, 5124, 5280, 5320, 5368, 5472, 5490, 5544, 5795, 5852, 5856, 5985, 6039, 6080, 6160, 6270, 6336, 6384, 6405, 6688, 6710, 6720, 6832, 6840, 6930, 6954, 7315, 7320, 7392, 7524, 7686, 7920, 7980, 8052, 8113, 8360, 8512, 8540, 8778, 8784, 9120, 9240, 9272, 9394, 9405, 9576, 9760, 10032, 10065, 10080, 10248, 10431, 10560, 10640, 10736, 10944, 10980, 11088, 11590, 11704, 11712, 11970, 12078, 12320, 12540, 12749, 12768, 12810, 13167, 13376, 13420, 13664, 13680, 13860, 13908, 14091, 14630, 14640, 14784, 15048, 15372, 15840, 15960, 16104, 16226, 16720, 17080, 17385, 17556, 17568, 18240, 18480, 18544, 18788, 18810, 19152, 19215, 19520, 20064, 20130, 20160, 20496, 20862, 21280, 21472, 21945, 21960, 22176, 23180, 23408, 23485, 23940, 24156, 24339, 24640, 25080, 25498, 25536, 25620, 26334, 26840, 27328, 27360, 27720, 27816, 28182, 29260, 29280, 30096, 30195, 30744, 31680, 31920, 32208, 32452, 33440, 34160, 34770, 35112, 35136, 36960, 37088, 37576, 37620, 38247, 38304, 38430, 40128, 40260, 40565, 40992, 41724, 42273, 42560, 42944, 43890, 43920, 44352, 46360, 46816, 46970, 47880, 48312, 48678, 50160, 50996, 51240, 52155, 52668, 53680, 54720, 55440, 55632, 56364, 58520, 58560, 60192, 60390, 61488, 63745, 63840, 64416, 64904, 65835, 66880, 68320, 69540, 70224, 70455, 73017, 73920, 74176, 75152, 75240, 76494, 76608, 76860, 80520, 81130, 81984, 83448, 84546, 87780, 87840, 89243, 92720, 93632, 93940, 95760, 96624, 97356, 100320, 101992, 102480, 104310, 105336, 107360, 110880, 111264, 112728, 114741, 117040, 120384, 120780, 121695, 122976, 127490, 127680, 128832, 129808, 131670, 136640, 139080, 140448, 140910, 146034, 150304, 150480, 152988, 153720, 161040, 162260, 166896, 169092, 175560, 175680, 178486, 185440, 187880, 191235, 191520, 193248, 194712, 200640, 203984, 204960, 208620, 210672, 211365, 214720, 221760, 222528, 225456, 229482, 234080, 241560, 243390, 245952, 254980, 259616, 263340, 267729, 278160, 280896, 281820, 292068, 300608, 300960, 305976, 307440, 322080, 324520, 333792, 338184, 351120, 356972, 365085, 370880, 375760, 382470, 383040, 386496, 389424, 407968, 409920, 417240, 421344, 422730, 446215, 450912, 458964, 468160, 483120, 486780, 509960, 519232, 526680, 535458, 556320, 563640, 573705, 584136, 601920, 611952, 614880, 644160, 649040, 667584, 676368, 702240, 713944, 730170, 751520, 764940, 778848, 803187, 815936, 834480, 842688, 845460, 892430, 901824, 917928, 966240, 973560, 1019920, 1053360, 1070916, 1112640, 1127280, 1147410, 1168272, 1223904, 1229760, 1298080, 1338645, 1352736, 1404480, 1427888, 1460340, 1503040, 1529880, 1557696, 1606374, 1668960, 1690920, 1784860, 1835856, 1932480, 1947120, 2039840, 2106720, 2141832, 2254560, 2294820, 2336544, 2447808, 2596160, 2677290, 2705472, 2855776, 2920680, 3059760, 3212748, 3337920, 3381840, 3569720, 3671712, 3894240, 4015935, 4079680, 4213440, 4283664, 4509120, 4589640, 4673088, 5354580, 5711552, 5841360, 6119520, 6425496, 6763680, 7139440, 7343424, 7788480, 8031870, 8567328, 9179280, 10709160, 11682720, 12239040, 12850992, 13527360, 14278880, 16063740, 17134656, 18358560, 21418320, 23365440, 25701984, 28557760, 32127480, 36717120, 42836640, 51403968, 64254960, 85673280, 128509920, 257019840]

約数ペア:

[(1, 257019840), (2, 128509920), (3, 85673280), (4, 64254960), (5, 51403968), (6, 42836640), (7, 36717120), (8, 32127480), (9, 28557760), (10, 25701984), (11, 23365440), (12, 21418320), (14, 18358560), (15, 17134656), (16, 16063740), (18, 14278880), (19, 13527360), (20, 12850992), (21, 12239040), (22, 11682720), (24, 10709160), (28, 9179280), (30, 8567328), (32, 8031870), (33, 7788480), (35, 7343424), (36, 7139440), (38, 6763680), (40, 6425496), (42, 6119520), (44, 5841360), (45, 5711552), (48, 5354580), (55, 4673088), (56, 4589640), (57, 4509120), (60, 4283664), (61, 4213440), (63, 4079680), (64, 4015935), (66, 3894240), (70, 3671712), (72, 3569720), (76, 3381840), (77, 3337920), (80, 3212748), (84, 3059760), (88, 2920680), (90, 2855776), (95, 2705472), (96, 2677290), (99, 2596160), (105, 2447808), (110, 2336544), (112, 2294820), (114, 2254560), (120, 2141832), (122, 2106720), (126, 2039840), (132, 1947120), (133, 1932480), (140, 1835856), (144, 1784860), (152, 1690920), (154, 1668960), (160, 1606374), (165, 1557696), (168, 1529880), (171, 1503040), (176, 1460340), (180, 1427888), (183, 1404480), (190, 1352736), (192, 1338645), (198, 1298080), (209, 1229760), (210, 1223904), (220, 1168272), (224, 1147410), (228, 1127280), (231, 1112640), (240, 1070916), (244, 1053360), (252, 1019920), (264, 973560), (266, 966240), (280, 917928), (285, 901824), (288, 892430), (304, 845460), (305, 842688), (308, 834480), (315, 815936), (320, 803187), (330, 778848), (336, 764940), (342, 751520), (352, 730170), (360, 713944), (366, 702240), (380, 676368), (385, 667584), (396, 649040), (399, 644160), (418, 614880), (420, 611952), (427, 601920), (440, 584136), (448, 573705), (456, 563640), (462, 556320), (480, 535458), (488, 526680), (495, 519232), (504, 509960), (528, 486780), (532, 483120), (549, 468160), (560, 458964), (570, 450912), (576, 446215), (608, 422730), (610, 421344), (616, 417240), (627, 409920), (630, 407968), (660, 389424), (665, 386496), (671, 383040), (672, 382470), (684, 375760), (693, 370880), (704, 365085), (720, 356972), (732, 351120), (760, 338184), (770, 333792), (792, 324520), (798, 322080), (836, 307440), (840, 305976), (854, 300960), (855, 300608), (880, 292068), (912, 281820), (915, 280896), (924, 278160), (960, 267729), (976, 263340), (990, 259616), (1008, 254980), (1045, 245952), (1056, 243390), (1064, 241560), (1098, 234080), (1120, 229482), (1140, 225456), (1155, 222528), (1159, 221760), (1197, 214720), (1216, 211365), (1220, 210672), (1232, 208620), (1254, 204960), (1260, 203984), (1281, 200640), (1320, 194712), (1330, 193248), (1342, 191520), (1344, 191235), (1368, 187880), (1386, 185440), (1440, 178486), (1463, 175680), (1464, 175560), (1520, 169092), (1540, 166896), (1584, 162260), (1596, 161040), (1672, 153720), (1680, 152988), (1708, 150480), (1710, 150304), (1760, 146034), (1824, 140910), (1830, 140448), (1848, 139080), (1881, 136640), (1952, 131670), (1980, 129808), (1995, 128832), (2013, 127680), (2016, 127490), (2090, 122976), (2112, 121695), (2128, 120780), (2135, 120384), (2196, 117040), (2240, 114741), (2280, 112728), (2310, 111264), (2318, 110880), (2394, 107360), (2440, 105336), (2464, 104310), (2508, 102480), (2520, 101992), (2562, 100320), (2640, 97356), (2660, 96624), (2684, 95760), (2736, 93940), (2745, 93632), (2772, 92720), (2880, 89243), (2926, 87840), (2928, 87780), (3040, 84546), (3080, 83448), (3135, 81984), (3168, 81130), (3192, 80520), (3344, 76860), (3355, 76608), (3360, 76494), (3416, 75240), (3420, 75152), (3465, 74176), (3477, 73920), (3520, 73017), (3648, 70455), (3660, 70224), (3696, 69540), (3762, 68320), (3843, 66880), (3904, 65835), (3960, 64904), (3990, 64416), (4026, 63840), (4032, 63745), (4180, 61488), (4256, 60390), (4270, 60192), (4389, 58560), (4392, 58520), (4560, 56364), (4620, 55632), (4636, 55440), (4697, 54720), (4788, 53680), (4880, 52668), (4928, 52155), (5016, 51240), (5040, 50996), (5124, 50160), (5280, 48678), (5320, 48312), (5368, 47880), (5472, 46970), (5490, 46816), (5544, 46360), (5795, 44352), (5852, 43920), (5856, 43890), (5985, 42944), (6039, 42560), (6080, 42273), (6160, 41724), (6270, 40992), (6336, 40565), (6384, 40260), (6405, 40128), (6688, 38430), (6710, 38304), (6720, 38247), (6832, 37620), (6840, 37576), (6930, 37088), (6954, 36960), (7315, 35136), (7320, 35112), (7392, 34770), (7524, 34160), (7686, 33440), (7920, 32452), (7980, 32208), (8052, 31920), (8113, 31680), (8360, 30744), (8512, 30195), (8540, 30096), (8778, 29280), (8784, 29260), (9120, 28182), (9240, 27816), (9272, 27720), (9394, 27360), (9405, 27328), (9576, 26840), (9760, 26334), (10032, 25620), (10065, 25536), (10080, 25498), (10248, 25080), (10431, 24640), (10560, 24339), (10640, 24156), (10736, 23940), (10944, 23485), (10980, 23408), (11088, 23180), (11590, 22176), (11704, 21960), (11712, 21945), (11970, 21472), (12078, 21280), (12320, 20862), (12540, 20496), (12749, 20160), (12768, 20130), (12810, 20064), (13167, 19520), (13376, 19215), (13420, 19152), (13664, 18810), (13680, 18788), (13860, 18544), (13908, 18480), (14091, 18240), (14630, 17568), (14640, 17556), (14784, 17385), (15048, 17080), (15372, 16720), (15840, 16226), (15960, 16104)]