256158720

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 352

約数和(自身を含む): 972734400

約数和(自身を除く): 716575680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 109, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 218, 240, 255, 256, 270, 272, 288, 306, 320, 327, 340, 360, 384, 408, 432, 436, 459, 480, 510, 512, 540, 544, 545, 576, 612, 640, 654, 680, 720, 765, 768, 816, 864, 872, 918, 960, 981, 1020, 1024, 1080, 1088, 1090, 1152, 1224, 1280, 1308, 1360, 1440, 1530, 1536, 1632, 1635, 1728, 1744, 1836, 1853, 1920, 1962, 2040, 2160, 2176, 2180, 2295, 2304, 2448, 2560, 2616, 2720, 2880, 2943, 3060, 3072, 3264, 3270, 3456, 3488, 3672, 3706, 3840, 3924, 4080, 4320, 4352, 4360, 4590, 4608, 4896, 4905, 5120, 5232, 5440, 5559, 5760, 5886, 6120, 6528, 6540, 6912, 6976, 7344, 7412, 7680, 7848, 8160, 8640, 8704, 8720, 9180, 9216, 9265, 9792, 9810, 10464, 10880, 11118, 11520, 11772, 12240, 13056, 13080, 13824, 13952, 14688, 14715, 14824, 15360, 15696, 16320, 16677, 17280, 17408, 17440, 18360, 18530, 19584, 19620, 20928, 21760, 22236, 23040, 23544, 24480, 26112, 26160, 27648, 27795, 27904, 29376, 29430, 29648, 31392, 32640, 33354, 34560, 34880, 36720, 37060, 39168, 39240, 41856, 43520, 44472, 46080, 47088, 48960, 50031, 52224, 52320, 55590, 55808, 58752, 58860, 59296, 62784, 65280, 66708, 69120, 69760, 73440, 74120, 78336, 78480, 83385, 83712, 87040, 88944, 94176, 97920, 100062, 104640, 111180, 111616, 117504, 117720, 118592, 125568, 130560, 133416, 138240, 139520, 146880, 148240, 156672, 156960, 166770, 167424, 177888, 188352, 195840, 200124, 209280, 222360, 235008, 235440, 237184, 250155, 251136, 261120, 266832, 279040, 293760, 296480, 313920, 333540, 334848, 355776, 376704, 391680, 400248, 418560, 444720, 470016, 470880, 474368, 500310, 502272, 533664, 558080, 587520, 592960, 627840, 667080, 711552, 753408, 783360, 800496, 837120, 889440, 941760, 948736, 1000620, 1004544, 1067328, 1175040, 1185920, 1255680, 1334160, 1423104, 1506816, 1600992, 1674240, 1778880, 1883520, 1897472, 2001240, 2134656, 2350080, 2371840, 2511360, 2668320, 2846208, 3013632, 3201984, 3557760, 3767040, 4002480, 4269312, 4743680, 5022720, 5336640, 5692416, 6403968, 7115520, 7534080, 8004960, 8538624, 9487360, 10673280, 12807936, 14231040, 15068160, 16009920, 17077248, 21346560, 25615872, 28462080, 32019840, 42693120, 51231744, 64039680, 85386240, 128079360, 256158720]

約数ペア:

[(1, 256158720), (2, 128079360), (3, 85386240), (4, 64039680), (5, 51231744), (6, 42693120), (8, 32019840), (9, 28462080), (10, 25615872), (12, 21346560), (15, 17077248), (16, 16009920), (17, 15068160), (18, 14231040), (20, 12807936), (24, 10673280), (27, 9487360), (30, 8538624), (32, 8004960), (34, 7534080), (36, 7115520), (40, 6403968), (45, 5692416), (48, 5336640), (51, 5022720), (54, 4743680), (60, 4269312), (64, 4002480), (68, 3767040), (72, 3557760), (80, 3201984), (85, 3013632), (90, 2846208), (96, 2668320), (102, 2511360), (108, 2371840), (109, 2350080), (120, 2134656), (128, 2001240), (135, 1897472), (136, 1883520), (144, 1778880), (153, 1674240), (160, 1600992), (170, 1506816), (180, 1423104), (192, 1334160), (204, 1255680), (216, 1185920), (218, 1175040), (240, 1067328), (255, 1004544), (256, 1000620), (270, 948736), (272, 941760), (288, 889440), (306, 837120), (320, 800496), (327, 783360), (340, 753408), (360, 711552), (384, 667080), (408, 627840), (432, 592960), (436, 587520), (459, 558080), (480, 533664), (510, 502272), (512, 500310), (540, 474368), (544, 470880), (545, 470016), (576, 444720), (612, 418560), (640, 400248), (654, 391680), (680, 376704), (720, 355776), (765, 334848), (768, 333540), (816, 313920), (864, 296480), (872, 293760), (918, 279040), (960, 266832), (981, 261120), (1020, 251136), (1024, 250155), (1080, 237184), (1088, 235440), (1090, 235008), (1152, 222360), (1224, 209280), (1280, 200124), (1308, 195840), (1360, 188352), (1440, 177888), (1530, 167424), (1536, 166770), (1632, 156960), (1635, 156672), (1728, 148240), (1744, 146880), (1836, 139520), (1853, 138240), (1920, 133416), (1962, 130560), (2040, 125568), (2160, 118592), (2176, 117720), (2180, 117504), (2295, 111616), (2304, 111180), (2448, 104640), (2560, 100062), (2616, 97920), (2720, 94176), (2880, 88944), (2943, 87040), (3060, 83712), (3072, 83385), (3264, 78480), (3270, 78336), (3456, 74120), (3488, 73440), (3672, 69760), (3706, 69120), (3840, 66708), (3924, 65280), (4080, 62784), (4320, 59296), (4352, 58860), (4360, 58752), (4590, 55808), (4608, 55590), (4896, 52320), (4905, 52224), (5120, 50031), (5232, 48960), (5440, 47088), (5559, 46080), (5760, 44472), (5886, 43520), (6120, 41856), (6528, 39240), (6540, 39168), (6912, 37060), (6976, 36720), (7344, 34880), (7412, 34560), (7680, 33354), (7848, 32640), (8160, 31392), (8640, 29648), (8704, 29430), (8720, 29376), (9180, 27904), (9216, 27795), (9265, 27648), (9792, 26160), (9810, 26112), (10464, 24480), (10880, 23544), (11118, 23040), (11520, 22236), (11772, 21760), (12240, 20928), (13056, 19620), (13080, 19584), (13824, 18530), (13952, 18360), (14688, 17440), (14715, 17408), (14824, 17280), (15360, 16677), (15696, 16320)]