278517120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 512

約数和(自身を含む): 1142138880

約数和(自身を除く): 863621760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 32, 34, 35, 40, 42, 46, 48, 51, 53, 56, 60, 64, 68, 69, 70, 80, 84, 85, 92, 96, 102, 105, 106, 112, 115, 119, 120, 128, 136, 138, 140, 159, 160, 161, 168, 170, 184, 192, 204, 210, 212, 224, 230, 238, 240, 255, 265, 272, 276, 280, 318, 320, 322, 336, 340, 345, 357, 368, 371, 384, 391, 408, 420, 424, 448, 460, 476, 480, 483, 510, 530, 544, 552, 560, 595, 636, 640, 644, 672, 680, 690, 714, 736, 742, 782, 795, 805, 816, 840, 848, 896, 901, 920, 952, 960, 966, 1020, 1060, 1088, 1104, 1113, 1120, 1173, 1190, 1219, 1272, 1288, 1344, 1360, 1380, 1428, 1472, 1484, 1564, 1590, 1610, 1632, 1680, 1696, 1785, 1802, 1840, 1855, 1904, 1920, 1932, 1955, 2040, 2120, 2176, 2208, 2226, 2240, 2346, 2380, 2415, 2438, 2544, 2576, 2688, 2703, 2720, 2737, 2760, 2856, 2944, 2968, 3128, 3180, 3220, 3264, 3360, 3392, 3570, 3604, 3657, 3680, 3710, 3808, 3864, 3910, 4080, 4240, 4416, 4452, 4480, 4505, 4692, 4760, 4830, 4876, 5088, 5152, 5406, 5440, 5474, 5520, 5565, 5712, 5865, 5936, 6095, 6256, 6307, 6360, 6440, 6528, 6720, 6784, 7140, 7208, 7314, 7360, 7420, 7616, 7728, 7820, 8160, 8211, 8480, 8533, 8832, 8904, 9010, 9384, 9520, 9660, 9752, 10176, 10304, 10812, 10880, 10948, 11040, 11130, 11424, 11730, 11872, 12190, 12512, 12614, 12720, 12880, 13440, 13515, 13685, 14280, 14416, 14628, 14720, 14840, 15232, 15456, 15640, 16320, 16422, 16960, 17066, 17808, 18020, 18285, 18768, 18921, 19040, 19320, 19504, 20352, 20608, 20723, 21624, 21896, 22080, 22260, 22848, 23460, 23744, 24380, 25024, 25228, 25440, 25599, 25760, 27030, 27370, 28560, 28832, 29256, 29680, 30912, 31280, 31535, 32640, 32844, 33920, 34132, 35616, 36040, 36570, 37536, 37842, 38080, 38640, 39008, 41055, 41446, 42665, 43248, 43792, 44160, 44520, 45696, 46920, 47488, 48760, 50048, 50456, 50880, 51198, 51520, 54060, 54740, 57120, 57664, 58512, 59360, 61824, 62169, 62560, 63070, 65688, 68264, 71232, 72080, 73140, 75072, 75684, 76160, 77280, 78016, 82110, 82892, 85330, 86496, 87584, 89040, 93840, 94605, 97520, 100912, 101760, 102396, 103040, 103615, 108120, 109480, 114240, 115328, 117024, 118720, 124338, 125120, 126140, 127995, 131376, 136528, 142464, 144160, 145061, 146280, 150144, 151368, 154560, 156032, 164220, 165784, 170660, 172992, 175168, 178080, 187680, 189210, 195040, 201824, 204792, 207230, 216240, 218960, 228480, 234048, 237440, 248676, 250240, 252280, 255990, 262752, 273056, 288320, 290122, 292560, 302736, 309120, 310845, 328440, 331568, 341320, 345984, 350336, 356160, 375360, 378420, 390080, 403648, 409584, 414460, 432480, 435183, 437920, 468096, 497352, 504560, 511980, 525504, 546112, 576640, 580244, 585120, 605472, 621690, 656880, 663136, 682640, 712320, 725305, 750720, 756840, 780160, 807296, 819168, 828920, 864960, 870366, 875840, 994704, 1009120, 1023960, 1051008, 1092224, 1160488, 1170240, 1210944, 1243380, 1313760, 1326272, 1365280, 1450610, 1513680, 1638336, 1657840, 1729920, 1740732, 1751680, 1989408, 2018240, 2047920, 2175915, 2320976, 2340480, 2421888, 2486760, 2627520, 2652544, 2730560, 2901220, 3027360, 3276672, 3315680, 3481464, 3978816, 4036480, 4095840, 4351830, 4641952, 4973520, 5255040, 5461120, 5802440, 6054720, 6631360, 6962928, 7957632, 8191680, 8703660, 9283904, 9947040, 11604880, 12109440, 13262720, 13925856, 16383360, 17407320, 18567808, 19894080, 23209760, 27851712, 34814640, 39788160, 46419520, 55703424, 69629280, 92839040, 139258560, 278517120]

約数ペア:

[(1, 278517120), (2, 139258560), (3, 92839040), (4, 69629280), (5, 55703424), (6, 46419520), (7, 39788160), (8, 34814640), (10, 27851712), (12, 23209760), (14, 19894080), (15, 18567808), (16, 17407320), (17, 16383360), (20, 13925856), (21, 13262720), (23, 12109440), (24, 11604880), (28, 9947040), (30, 9283904), (32, 8703660), (34, 8191680), (35, 7957632), (40, 6962928), (42, 6631360), (46, 6054720), (48, 5802440), (51, 5461120), (53, 5255040), (56, 4973520), (60, 4641952), (64, 4351830), (68, 4095840), (69, 4036480), (70, 3978816), (80, 3481464), (84, 3315680), (85, 3276672), (92, 3027360), (96, 2901220), (102, 2730560), (105, 2652544), (106, 2627520), (112, 2486760), (115, 2421888), (119, 2340480), (120, 2320976), (128, 2175915), (136, 2047920), (138, 2018240), (140, 1989408), (159, 1751680), (160, 1740732), (161, 1729920), (168, 1657840), (170, 1638336), (184, 1513680), (192, 1450610), (204, 1365280), (210, 1326272), (212, 1313760), (224, 1243380), (230, 1210944), (238, 1170240), (240, 1160488), (255, 1092224), (265, 1051008), (272, 1023960), (276, 1009120), (280, 994704), (318, 875840), (320, 870366), (322, 864960), (336, 828920), (340, 819168), (345, 807296), (357, 780160), (368, 756840), (371, 750720), (384, 725305), (391, 712320), (408, 682640), (420, 663136), (424, 656880), (448, 621690), (460, 605472), (476, 585120), (480, 580244), (483, 576640), (510, 546112), (530, 525504), (544, 511980), (552, 504560), (560, 497352), (595, 468096), (636, 437920), (640, 435183), (644, 432480), (672, 414460), (680, 409584), (690, 403648), (714, 390080), (736, 378420), (742, 375360), (782, 356160), (795, 350336), (805, 345984), (816, 341320), (840, 331568), (848, 328440), (896, 310845), (901, 309120), (920, 302736), (952, 292560), (960, 290122), (966, 288320), (1020, 273056), (1060, 262752), (1088, 255990), (1104, 252280), (1113, 250240), (1120, 248676), (1173, 237440), (1190, 234048), (1219, 228480), (1272, 218960), (1288, 216240), (1344, 207230), (1360, 204792), (1380, 201824), (1428, 195040), (1472, 189210), (1484, 187680), (1564, 178080), (1590, 175168), (1610, 172992), (1632, 170660), (1680, 165784), (1696, 164220), (1785, 156032), (1802, 154560), (1840, 151368), (1855, 150144), (1904, 146280), (1920, 145061), (1932, 144160), (1955, 142464), (2040, 136528), (2120, 131376), (2176, 127995), (2208, 126140), (2226, 125120), (2240, 124338), (2346, 118720), (2380, 117024), (2415, 115328), (2438, 114240), (2544, 109480), (2576, 108120), (2688, 103615), (2703, 103040), (2720, 102396), (2737, 101760), (2760, 100912), (2856, 97520), (2944, 94605), (2968, 93840), (3128, 89040), (3180, 87584), (3220, 86496), (3264, 85330), (3360, 82892), (3392, 82110), (3570, 78016), (3604, 77280), (3657, 76160), (3680, 75684), (3710, 75072), (3808, 73140), (3864, 72080), (3910, 71232), (4080, 68264), (4240, 65688), (4416, 63070), (4452, 62560), (4480, 62169), (4505, 61824), (4692, 59360), (4760, 58512), (4830, 57664), (4876, 57120), (5088, 54740), (5152, 54060), (5406, 51520), (5440, 51198), (5474, 50880), (5520, 50456), (5565, 50048), (5712, 48760), (5865, 47488), (5936, 46920), (6095, 45696), (6256, 44520), (6307, 44160), (6360, 43792), (6440, 43248), (6528, 42665), (6720, 41446), (6784, 41055), (7140, 39008), (7208, 38640), (7314, 38080), (7360, 37842), (7420, 37536), (7616, 36570), (7728, 36040), (7820, 35616), (8160, 34132), (8211, 33920), (8480, 32844), (8533, 32640), (8832, 31535), (8904, 31280), (9010, 30912), (9384, 29680), (9520, 29256), (9660, 28832), (9752, 28560), (10176, 27370), (10304, 27030), (10812, 25760), (10880, 25599), (10948, 25440), (11040, 25228), (11130, 25024), (11424, 24380), (11730, 23744), (11872, 23460), (12190, 22848), (12512, 22260), (12614, 22080), (12720, 21896), (12880, 21624), (13440, 20723), (13515, 20608), (13685, 20352), (14280, 19504), (14416, 19320), (14628, 19040), (14720, 18921), (14840, 18768), (15232, 18285), (15456, 18020), (15640, 17808), (16320, 17066), (16422, 16960)]