321284880

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:825

約数の個数: 280

約数和(自身を含む): 1281590592

約数和(自身を除く): 960305712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 787, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1574, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2361, 2430, 2520, 2835, 2916, 3024, 3148, 3240, 3402, 3645, 3780, 3888, 3935, 4536, 4722, 4860, 5040, 5103, 5509, 5670, 5832, 6296, 6480, 6804, 7083, 7290, 7560, 7870, 8505, 9072, 9444, 9720, 10206, 11018, 11340, 11664, 11805, 12592, 13608, 14166, 14580, 15120, 15740, 16527, 17010, 18888, 19440, 20412, 21249, 22036, 22680, 23610, 25515, 27216, 27545, 28332, 29160, 31480, 33054, 34020, 35415, 37776, 40824, 42498, 44072, 45360, 47220, 49581, 51030, 55090, 56664, 58320, 62960, 63747, 66108, 68040, 70830, 81648, 82635, 84996, 88144, 94440, 99162, 102060, 106245, 110180, 113328, 127494, 132216, 136080, 141660, 148743, 165270, 169992, 188880, 191241, 198324, 204120, 212490, 220360, 247905, 254988, 264432, 283320, 297486, 318735, 330540, 339984, 382482, 396648, 408240, 424980, 440720, 446229, 495810, 509976, 566640, 573723, 594972, 637470, 661080, 743715, 764964, 793296, 849960, 892458, 956205, 991620, 1019952, 1147446, 1189944, 1274940, 1322160, 1338687, 1487430, 1529928, 1699920, 1784916, 1912410, 1983240, 2231145, 2294892, 2379888, 2549880, 2677374, 2868615, 2974860, 3059856, 3569832, 3824820, 3966480, 4016061, 4462290, 4589784, 5099760, 5354748, 5737230, 5949720, 6693435, 7139664, 7649640, 8032122, 8924580, 9179568, 10709496, 11474460, 11899440, 13386870, 15299280, 16064244, 17849160, 20080305, 21418992, 22948920, 26773740, 32128488, 35698320, 40160610, 45897840, 53547480, 64256976, 80321220, 107094960, 160642440, 321284880]

約数ペア:

[(1, 321284880), (2, 160642440), (3, 107094960), (4, 80321220), (5, 64256976), (6, 53547480), (7, 45897840), (8, 40160610), (9, 35698320), (10, 32128488), (12, 26773740), (14, 22948920), (15, 21418992), (16, 20080305), (18, 17849160), (20, 16064244), (21, 15299280), (24, 13386870), (27, 11899440), (28, 11474460), (30, 10709496), (35, 9179568), (36, 8924580), (40, 8032122), (42, 7649640), (45, 7139664), (48, 6693435), (54, 5949720), (56, 5737230), (60, 5354748), (63, 5099760), (70, 4589784), (72, 4462290), (80, 4016061), (81, 3966480), (84, 3824820), (90, 3569832), (105, 3059856), (108, 2974860), (112, 2868615), (120, 2677374), (126, 2549880), (135, 2379888), (140, 2294892), (144, 2231145), (162, 1983240), (168, 1912410), (180, 1784916), (189, 1699920), (210, 1529928), (216, 1487430), (240, 1338687), (243, 1322160), (252, 1274940), (270, 1189944), (280, 1147446), (315, 1019952), (324, 991620), (336, 956205), (360, 892458), (378, 849960), (405, 793296), (420, 764964), (432, 743715), (486, 661080), (504, 637470), (540, 594972), (560, 573723), (567, 566640), (630, 509976), (648, 495810), (720, 446229), (729, 440720), (756, 424980), (787, 408240), (810, 396648), (840, 382482), (945, 339984), (972, 330540), (1008, 318735), (1080, 297486), (1134, 283320), (1215, 264432), (1260, 254988), (1296, 247905), (1458, 220360), (1512, 212490), (1574, 204120), (1620, 198324), (1680, 191241), (1701, 188880), (1890, 169992), (1944, 165270), (2160, 148743), (2268, 141660), (2361, 136080), (2430, 132216), (2520, 127494), (2835, 113328), (2916, 110180), (3024, 106245), (3148, 102060), (3240, 99162), (3402, 94440), (3645, 88144), (3780, 84996), (3888, 82635), (3935, 81648), (4536, 70830), (4722, 68040), (4860, 66108), (5040, 63747), (5103, 62960), (5509, 58320), (5670, 56664), (5832, 55090), (6296, 51030), (6480, 49581), (6804, 47220), (7083, 45360), (7290, 44072), (7560, 42498), (7870, 40824), (8505, 37776), (9072, 35415), (9444, 34020), (9720, 33054), (10206, 31480), (11018, 29160), (11340, 28332), (11664, 27545), (11805, 27216), (12592, 25515), (13608, 23610), (14166, 22680), (14580, 22036), (15120, 21249), (15740, 20412), (16527, 19440), (17010, 18888)]