255306240

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1583}}^1$

素因数の和:1619

約数の個数: 240

約数和(自身を含む): 1011149568

約数和(自身を除く): 755843328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1583, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3166, 3360, 3584, 3840, 4032, 4480, 4608, 4749, 5040, 5376, 5760, 6332, 6720, 7680, 7915, 8064, 8960, 9498, 10080, 10752, 11081, 11520, 12664, 13440, 14247, 15830, 16128, 17920, 18996, 20160, 22162, 23040, 23745, 25328, 26880, 28494, 31660, 32256, 33243, 37992, 40320, 44324, 47490, 50656, 53760, 55405, 56988, 63320, 66486, 71235, 75984, 80640, 88648, 94980, 99729, 101312, 110810, 113976, 126640, 132972, 142470, 151968, 161280, 166215, 177296, 189960, 199458, 202624, 221620, 227952, 253280, 265944, 284940, 303936, 332430, 354592, 379920, 398916, 405248, 443240, 455904, 498645, 506560, 531888, 569880, 607872, 664860, 709184, 759840, 797832, 810496, 886480, 911808, 997290, 1013120, 1063776, 1139760, 1215744, 1329720, 1418368, 1519680, 1595664, 1772960, 1823616, 1994580, 2026240, 2127552, 2279520, 2431488, 2659440, 2836736, 3039360, 3191328, 3545920, 3647232, 3989160, 4052480, 4255104, 4559040, 5318880, 5673472, 6078720, 6382656, 7091840, 7294464, 7978320, 8510208, 9118080, 10637760, 12157440, 12765312, 14183680, 15956640, 17020416, 18236160, 21275520, 25530624, 28367360, 31913280, 36472320, 42551040, 51061248, 63826560, 85102080, 127653120, 255306240]

約数ペア:

[(1, 255306240), (2, 127653120), (3, 85102080), (4, 63826560), (5, 51061248), (6, 42551040), (7, 36472320), (8, 31913280), (9, 28367360), (10, 25530624), (12, 21275520), (14, 18236160), (15, 17020416), (16, 15956640), (18, 14183680), (20, 12765312), (21, 12157440), (24, 10637760), (28, 9118080), (30, 8510208), (32, 7978320), (35, 7294464), (36, 7091840), (40, 6382656), (42, 6078720), (45, 5673472), (48, 5318880), (56, 4559040), (60, 4255104), (63, 4052480), (64, 3989160), (70, 3647232), (72, 3545920), (80, 3191328), (84, 3039360), (90, 2836736), (96, 2659440), (105, 2431488), (112, 2279520), (120, 2127552), (126, 2026240), (128, 1994580), (140, 1823616), (144, 1772960), (160, 1595664), (168, 1519680), (180, 1418368), (192, 1329720), (210, 1215744), (224, 1139760), (240, 1063776), (252, 1013120), (256, 997290), (280, 911808), (288, 886480), (315, 810496), (320, 797832), (336, 759840), (360, 709184), (384, 664860), (420, 607872), (448, 569880), (480, 531888), (504, 506560), (512, 498645), (560, 455904), (576, 443240), (630, 405248), (640, 398916), (672, 379920), (720, 354592), (768, 332430), (840, 303936), (896, 284940), (960, 265944), (1008, 253280), (1120, 227952), (1152, 221620), (1260, 202624), (1280, 199458), (1344, 189960), (1440, 177296), (1536, 166215), (1583, 161280), (1680, 151968), (1792, 142470), (1920, 132972), (2016, 126640), (2240, 113976), (2304, 110810), (2520, 101312), (2560, 99729), (2688, 94980), (2880, 88648), (3166, 80640), (3360, 75984), (3584, 71235), (3840, 66486), (4032, 63320), (4480, 56988), (4608, 55405), (4749, 53760), (5040, 50656), (5376, 47490), (5760, 44324), (6332, 40320), (6720, 37992), (7680, 33243), (7915, 32256), (8064, 31660), (8960, 28494), (9498, 26880), (10080, 25328), (10752, 23745), (11081, 23040), (11520, 22162), (12664, 20160), (13440, 18996), (14247, 17920), (15830, 16128)]