2689809920

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 240

約数和(自身を含む): 7699850928

約数和(自身を除く): 5010041008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 256, 280, 287, 320, 328, 392, 410, 448, 490, 512, 523, 560, 574, 640, 656, 784, 820, 896, 980, 1046, 1120, 1148, 1280, 1312, 1435, 1568, 1640, 1792, 1960, 2009, 2092, 2240, 2296, 2560, 2615, 2624, 2870, 3136, 3280, 3584, 3661, 3920, 4018, 4184, 4480, 4592, 5230, 5248, 5740, 6272, 6560, 7322, 7840, 8036, 8368, 8960, 9184, 10045, 10460, 10496, 11480, 12544, 13120, 14644, 15680, 16072, 16736, 17920, 18305, 18368, 20090, 20920, 20992, 21443, 22960, 25088, 25627, 26240, 29288, 31360, 32144, 33472, 36610, 36736, 40180, 41840, 42886, 45920, 51254, 52480, 58576, 62720, 64288, 66944, 73220, 73472, 80360, 83680, 85772, 91840, 102508, 104960, 107215, 117152, 125440, 128135, 128576, 133888, 146440, 146944, 150101, 160720, 167360, 171544, 183680, 205016, 214430, 234304, 256270, 257152, 267776, 292880, 300202, 321440, 334720, 343088, 367360, 410032, 428860, 468608, 512540, 514304, 585760, 600404, 642880, 669440, 686176, 734720, 750505, 820064, 857720, 937216, 1025080, 1028608, 1050707, 1171520, 1200808, 1285760, 1338880, 1372352, 1501010, 1640128, 1715440, 1874432, 2050160, 2101414, 2343040, 2401616, 2571520, 2744704, 3002020, 3280256, 3430880, 4100320, 4202828, 4686080, 4803232, 5143040, 5253535, 5489408, 6004040, 6560512, 6861760, 8200640, 8405656, 9372160, 9606464, 10507070, 10978816, 12008080, 13121024, 13723520, 16401280, 16811312, 19212928, 21014140, 24016160, 27447040, 32802560, 33622624, 38425856, 42028280, 48032320, 54894080, 65605120, 67245248, 76851712, 84056560, 96064640, 134490496, 168113120, 192129280, 268980992, 336226240, 384258560, 537961984, 672452480, 1344904960, 2689809920]

約数ペア:

[(1, 2689809920), (2, 1344904960), (4, 672452480), (5, 537961984), (7, 384258560), (8, 336226240), (10, 268980992), (14, 192129280), (16, 168113120), (20, 134490496), (28, 96064640), (32, 84056560), (35, 76851712), (40, 67245248), (41, 65605120), (49, 54894080), (56, 48032320), (64, 42028280), (70, 38425856), (80, 33622624), (82, 32802560), (98, 27447040), (112, 24016160), (128, 21014140), (140, 19212928), (160, 16811312), (164, 16401280), (196, 13723520), (205, 13121024), (224, 12008080), (245, 10978816), (256, 10507070), (280, 9606464), (287, 9372160), (320, 8405656), (328, 8200640), (392, 6861760), (410, 6560512), (448, 6004040), (490, 5489408), (512, 5253535), (523, 5143040), (560, 4803232), (574, 4686080), (640, 4202828), (656, 4100320), (784, 3430880), (820, 3280256), (896, 3002020), (980, 2744704), (1046, 2571520), (1120, 2401616), (1148, 2343040), (1280, 2101414), (1312, 2050160), (1435, 1874432), (1568, 1715440), (1640, 1640128), (1792, 1501010), (1960, 1372352), (2009, 1338880), (2092, 1285760), (2240, 1200808), (2296, 1171520), (2560, 1050707), (2615, 1028608), (2624, 1025080), (2870, 937216), (3136, 857720), (3280, 820064), (3584, 750505), (3661, 734720), (3920, 686176), (4018, 669440), (4184, 642880), (4480, 600404), (4592, 585760), (5230, 514304), (5248, 512540), (5740, 468608), (6272, 428860), (6560, 410032), (7322, 367360), (7840, 343088), (8036, 334720), (8368, 321440), (8960, 300202), (9184, 292880), (10045, 267776), (10460, 257152), (10496, 256270), (11480, 234304), (12544, 214430), (13120, 205016), (14644, 183680), (15680, 171544), (16072, 167360), (16736, 160720), (17920, 150101), (18305, 146944), (18368, 146440), (20090, 133888), (20920, 128576), (20992, 128135), (21443, 125440), (22960, 117152), (25088, 107215), (25627, 104960), (26240, 102508), (29288, 91840), (31360, 85772), (32144, 83680), (33472, 80360), (36610, 73472), (36736, 73220), (40180, 66944), (41840, 64288), (42886, 62720), (45920, 58576), (51254, 52480)]