280765440

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 220

約数和(自身を含む): 1007590716

約数和(自身を除く): 726825276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 677, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1354, 1440, 1536, 1620, 1728, 1920, 2031, 2160, 2304, 2560, 2592, 2708, 2880, 3072, 3240, 3385, 3456, 3840, 4062, 4320, 4608, 5120, 5184, 5416, 5760, 6093, 6480, 6770, 6912, 7680, 8124, 8640, 9216, 10155, 10368, 10832, 11520, 12186, 12960, 13540, 13824, 15360, 16248, 17280, 18279, 20310, 20736, 21664, 23040, 24372, 25920, 27080, 27648, 30465, 32496, 34560, 36558, 40620, 41472, 43328, 46080, 48744, 51840, 54160, 54837, 60930, 64992, 69120, 73116, 81240, 82944, 86656, 91395, 97488, 103680, 108320, 109674, 121860, 129984, 138240, 146232, 162480, 173312, 182790, 194976, 207360, 216640, 219348, 243720, 259968, 274185, 292464, 324960, 346624, 365580, 389952, 414720, 433280, 438696, 487440, 519936, 548370, 584928, 649920, 693248, 731160, 779904, 866560, 877392, 974880, 1039872, 1096740, 1169856, 1299840, 1462320, 1559808, 1733120, 1754784, 1949760, 2079744, 2193480, 2339712, 2599680, 2924640, 3119616, 3466240, 3509568, 3899520, 4386960, 4679424, 5199360, 5849280, 6239232, 7019136, 7799040, 8773920, 9358848, 10398720, 11698560, 14038272, 15598080, 17547840, 18717696, 23397120, 28076544, 31196160, 35095680, 46794240, 56153088, 70191360, 93588480, 140382720, 280765440]

約数ペア:

[(1, 280765440), (2, 140382720), (3, 93588480), (4, 70191360), (5, 56153088), (6, 46794240), (8, 35095680), (9, 31196160), (10, 28076544), (12, 23397120), (15, 18717696), (16, 17547840), (18, 15598080), (20, 14038272), (24, 11698560), (27, 10398720), (30, 9358848), (32, 8773920), (36, 7799040), (40, 7019136), (45, 6239232), (48, 5849280), (54, 5199360), (60, 4679424), (64, 4386960), (72, 3899520), (80, 3509568), (81, 3466240), (90, 3119616), (96, 2924640), (108, 2599680), (120, 2339712), (128, 2193480), (135, 2079744), (144, 1949760), (160, 1754784), (162, 1733120), (180, 1559808), (192, 1462320), (216, 1299840), (240, 1169856), (256, 1096740), (270, 1039872), (288, 974880), (320, 877392), (324, 866560), (360, 779904), (384, 731160), (405, 693248), (432, 649920), (480, 584928), (512, 548370), (540, 519936), (576, 487440), (640, 438696), (648, 433280), (677, 414720), (720, 389952), (768, 365580), (810, 346624), (864, 324960), (960, 292464), (1024, 274185), (1080, 259968), (1152, 243720), (1280, 219348), (1296, 216640), (1354, 207360), (1440, 194976), (1536, 182790), (1620, 173312), (1728, 162480), (1920, 146232), (2031, 138240), (2160, 129984), (2304, 121860), (2560, 109674), (2592, 108320), (2708, 103680), (2880, 97488), (3072, 91395), (3240, 86656), (3385, 82944), (3456, 81240), (3840, 73116), (4062, 69120), (4320, 64992), (4608, 60930), (5120, 54837), (5184, 54160), (5416, 51840), (5760, 48744), (6093, 46080), (6480, 43328), (6770, 41472), (6912, 40620), (7680, 36558), (8124, 34560), (8640, 32496), (9216, 30465), (10155, 27648), (10368, 27080), (10832, 25920), (11520, 24372), (12186, 23040), (12960, 21664), (13540, 20736), (13824, 20310), (15360, 18279), (16248, 17280)]