278449920

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1151}}^1$

素因数の和:1188

約数の個数: 288

約数和(自身を含む): 1130250240

約数和(自身を除く): 851800320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1151, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2302, 2304, 2520, 2688, 2880, 3024, 3360, 3453, 3456, 3780, 3840, 4032, 4320, 4480, 4604, 5040, 5376, 5755, 5760, 6048, 6720, 6906, 6912, 7560, 8057, 8064, 8640, 8960, 9208, 10080, 10359, 11510, 11520, 12096, 13440, 13812, 15120, 16114, 16128, 17265, 17280, 18416, 20160, 20718, 23020, 24171, 24192, 26880, 27624, 30240, 31077, 32228, 34530, 34560, 36832, 40285, 40320, 41436, 46040, 48342, 48384, 51795, 55248, 60480, 62154, 64456, 69060, 72513, 73664, 80570, 80640, 82872, 92080, 96684, 103590, 110496, 120855, 120960, 124308, 128912, 138120, 145026, 147328, 155385, 161140, 165744, 184160, 193368, 207180, 217539, 220992, 241710, 241920, 248616, 257824, 276240, 290052, 294656, 310770, 322280, 331488, 362565, 368320, 386736, 414360, 435078, 441984, 483420, 497232, 515648, 552480, 580104, 621540, 644560, 662976, 725130, 736640, 773472, 828720, 870156, 883968, 966840, 994464, 1031296, 1087695, 1104960, 1160208, 1243080, 1289120, 1325952, 1450260, 1473280, 1546944, 1657440, 1740312, 1933680, 1988928, 2062592, 2175390, 2209920, 2320416, 2486160, 2578240, 2651904, 2900520, 3093888, 3314880, 3480624, 3867360, 3977856, 4350780, 4419840, 4640832, 4972320, 5156480, 5801040, 6187776, 6629760, 6961248, 7734720, 7955712, 8701560, 9281664, 9944640, 10312960, 11602080, 13259520, 13922496, 15469440, 17403120, 18563328, 19889280, 23204160, 27844992, 30938880, 34806240, 39778560, 46408320, 55689984, 69612480, 92816640, 139224960, 278449920]

約数ペア:

[(1, 278449920), (2, 139224960), (3, 92816640), (4, 69612480), (5, 55689984), (6, 46408320), (7, 39778560), (8, 34806240), (9, 30938880), (10, 27844992), (12, 23204160), (14, 19889280), (15, 18563328), (16, 17403120), (18, 15469440), (20, 13922496), (21, 13259520), (24, 11602080), (27, 10312960), (28, 9944640), (30, 9281664), (32, 8701560), (35, 7955712), (36, 7734720), (40, 6961248), (42, 6629760), (45, 6187776), (48, 5801040), (54, 5156480), (56, 4972320), (60, 4640832), (63, 4419840), (64, 4350780), (70, 3977856), (72, 3867360), (80, 3480624), (84, 3314880), (90, 3093888), (96, 2900520), (105, 2651904), (108, 2578240), (112, 2486160), (120, 2320416), (126, 2209920), (128, 2175390), (135, 2062592), (140, 1988928), (144, 1933680), (160, 1740312), (168, 1657440), (180, 1546944), (189, 1473280), (192, 1450260), (210, 1325952), (216, 1289120), (224, 1243080), (240, 1160208), (252, 1104960), (256, 1087695), (270, 1031296), (280, 994464), (288, 966840), (315, 883968), (320, 870156), (336, 828720), (360, 773472), (378, 736640), (384, 725130), (420, 662976), (432, 644560), (448, 621540), (480, 580104), (504, 552480), (540, 515648), (560, 497232), (576, 483420), (630, 441984), (640, 435078), (672, 414360), (720, 386736), (756, 368320), (768, 362565), (840, 331488), (864, 322280), (896, 310770), (945, 294656), (960, 290052), (1008, 276240), (1080, 257824), (1120, 248616), (1151, 241920), (1152, 241710), (1260, 220992), (1280, 217539), (1344, 207180), (1440, 193368), (1512, 184160), (1680, 165744), (1728, 161140), (1792, 155385), (1890, 147328), (1920, 145026), (2016, 138120), (2160, 128912), (2240, 124308), (2302, 120960), (2304, 120855), (2520, 110496), (2688, 103590), (2880, 96684), (3024, 92080), (3360, 82872), (3453, 80640), (3456, 80570), (3780, 73664), (3840, 72513), (4032, 69060), (4320, 64456), (4480, 62154), (4604, 60480), (5040, 55248), (5376, 51795), (5755, 48384), (5760, 48342), (6048, 46040), (6720, 41436), (6906, 40320), (6912, 40285), (7560, 36832), (8057, 34560), (8064, 34530), (8640, 32228), (8960, 31077), (9208, 30240), (10080, 27624), (10359, 26880), (11510, 24192), (11520, 24171), (12096, 23020), (13440, 20718), (13812, 20160), (15120, 18416), (16114, 17280), (16128, 17265)]