261757440

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:580

約数の個数: 320

約数和(自身を含む): 1064574720

約数和(自身を除く): 802817280

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, 512, 540, 541, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1082, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1623, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2164, 2240, 2304, 2520, 2560, 2688, 2705, 2880, 3024, 3246, 3360, 3456, 3584, 3780, 3787, 3840, 4032, 4320, 4328, 4480, 4608, 4869, 5040, 5376, 5410, 5760, 6048, 6492, 6720, 6912, 7560, 7574, 7680, 8064, 8115, 8640, 8656, 8960, 9738, 10080, 10752, 10820, 11361, 11520, 12096, 12984, 13440, 13824, 14607, 15120, 15148, 16128, 16230, 17280, 17312, 17920, 18935, 19476, 20160, 21640, 22722, 23040, 24192, 24345, 25968, 26880, 29214, 30240, 30296, 32256, 32460, 34083, 34560, 34624, 37870, 38952, 40320, 43280, 45444, 48384, 48690, 51936, 53760, 56805, 58428, 60480, 60592, 64920, 68166, 69120, 69248, 73035, 75740, 77904, 80640, 86560, 90888, 96768, 97380, 102249, 103872, 113610, 116856, 120960, 121184, 129840, 136332, 138496, 146070, 151480, 155808, 161280, 170415, 173120, 181776, 194760, 204498, 207744, 227220, 233712, 241920, 242368, 259680, 272664, 276992, 292140, 302960, 311616, 340830, 346240, 363552, 389520, 408996, 415488, 454440, 467424, 483840, 484736, 511245, 519360, 545328, 584280, 605920, 623232, 681660, 692480, 727104, 779040, 817992, 830976, 908880, 934848, 969472, 1022490, 1038720, 1090656, 1168560, 1211840, 1246464, 1363320, 1384960, 1454208, 1558080, 1635984, 1817760, 1869696, 1938944, 2044980, 2077440, 2181312, 2337120, 2423680, 2492928, 2726640, 2908416, 3116160, 3271968, 3635520, 3739392, 4089960, 4154880, 4362624, 4674240, 4847360, 5453280, 5816832, 6232320, 6543936, 7271040, 7478784, 8179920, 8725248, 9348480, 9694720, 10906560, 12464640, 13087872, 14542080, 16359840, 17450496, 18696960, 21813120, 26175744, 29084160, 32719680, 37393920, 43626240, 52351488, 65439360, 87252480, 130878720, 261757440]

約数ペア:

[(1, 261757440), (2, 130878720), (3, 87252480), (4, 65439360), (5, 52351488), (6, 43626240), (7, 37393920), (8, 32719680), (9, 29084160), (10, 26175744), (12, 21813120), (14, 18696960), (15, 17450496), (16, 16359840), (18, 14542080), (20, 13087872), (21, 12464640), (24, 10906560), (27, 9694720), (28, 9348480), (30, 8725248), (32, 8179920), (35, 7478784), (36, 7271040), (40, 6543936), (42, 6232320), (45, 5816832), (48, 5453280), (54, 4847360), (56, 4674240), (60, 4362624), (63, 4154880), (64, 4089960), (70, 3739392), (72, 3635520), (80, 3271968), (84, 3116160), (90, 2908416), (96, 2726640), (105, 2492928), (108, 2423680), (112, 2337120), (120, 2181312), (126, 2077440), (128, 2044980), (135, 1938944), (140, 1869696), (144, 1817760), (160, 1635984), (168, 1558080), (180, 1454208), (189, 1384960), (192, 1363320), (210, 1246464), (216, 1211840), (224, 1168560), (240, 1090656), (252, 1038720), (256, 1022490), (270, 969472), (280, 934848), (288, 908880), (315, 830976), (320, 817992), (336, 779040), (360, 727104), (378, 692480), (384, 681660), (420, 623232), (432, 605920), (448, 584280), (480, 545328), (504, 519360), (512, 511245), (540, 484736), (541, 483840), (560, 467424), (576, 454440), (630, 415488), (640, 408996), (672, 389520), (720, 363552), (756, 346240), (768, 340830), (840, 311616), (864, 302960), (896, 292140), (945, 276992), (960, 272664), (1008, 259680), (1080, 242368), (1082, 241920), (1120, 233712), (1152, 227220), (1260, 207744), (1280, 204498), (1344, 194760), (1440, 181776), (1512, 173120), (1536, 170415), (1623, 161280), (1680, 155808), (1728, 151480), (1792, 146070), (1890, 138496), (1920, 136332), (2016, 129840), (2160, 121184), (2164, 120960), (2240, 116856), (2304, 113610), (2520, 103872), (2560, 102249), (2688, 97380), (2705, 96768), (2880, 90888), (3024, 86560), (3246, 80640), (3360, 77904), (3456, 75740), (3584, 73035), (3780, 69248), (3787, 69120), (3840, 68166), (4032, 64920), (4320, 60592), (4328, 60480), (4480, 58428), (4608, 56805), (4869, 53760), (5040, 51936), (5376, 48690), (5410, 48384), (5760, 45444), (6048, 43280), (6492, 40320), (6720, 38952), (6912, 37870), (7560, 34624), (7574, 34560), (7680, 34083), (8064, 32460), (8115, 32256), (8640, 30296), (8656, 30240), (8960, 29214), (9738, 26880), (10080, 25968), (10752, 24345), (10820, 24192), (11361, 23040), (11520, 22722), (12096, 21640), (12984, 20160), (13440, 19476), (13824, 18935), (14607, 17920), (15120, 17312), (15148, 17280), (16128, 16230)]