1311582720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 320

約数和(自身を含む): 4952825856

約数和(自身を除く): 3641243136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 787, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1574, 1680, 1736, 1792, 1860, 1920, 1984, 2170, 2240, 2361, 2480, 2560, 2604, 2688, 2976, 3148, 3255, 3360, 3472, 3584, 3720, 3840, 3935, 3968, 4340, 4480, 4722, 4960, 5208, 5376, 5509, 5952, 6296, 6510, 6720, 6944, 7440, 7680, 7870, 7936, 8680, 8960, 9444, 9920, 10416, 10752, 11018, 11805, 11904, 12592, 13020, 13440, 13888, 14880, 15740, 15872, 16527, 17360, 17920, 18888, 19840, 20832, 22036, 23610, 23808, 24397, 25184, 26040, 26880, 27545, 27776, 29760, 31480, 33054, 34720, 37776, 39680, 41664, 44072, 47220, 47616, 48794, 50368, 52080, 53760, 55090, 55552, 59520, 62960, 66108, 69440, 73191, 75552, 79360, 82635, 83328, 88144, 94440, 97588, 100736, 104160, 110180, 111104, 119040, 121985, 125920, 132216, 138880, 146382, 151104, 165270, 166656, 170779, 176288, 188880, 195176, 201472, 208320, 220360, 238080, 243970, 251840, 264432, 277760, 292764, 302208, 330540, 333312, 341558, 352576, 365955, 377760, 390352, 402944, 416640, 440720, 487940, 503680, 512337, 528864, 555520, 585528, 604416, 661080, 683116, 705152, 731910, 755520, 780704, 833280, 853895, 881440, 975880, 1007360, 1024674, 1057728, 1171056, 1208832, 1322160, 1366232, 1410304, 1463820, 1511040, 1561408, 1666560, 1707790, 1762880, 1951760, 2014720, 2049348, 2115456, 2342112, 2561685, 2644320, 2732464, 2820608, 2927640, 3022080, 3122816, 3415580, 3525760, 3903520, 4098696, 4230912, 4684224, 5123370, 5288640, 5464928, 5855280, 6044160, 6245632, 6831160, 7051520, 7807040, 8197392, 8461824, 9368448, 10246740, 10577280, 10929856, 11710560, 12491264, 13662320, 14103040, 15614080, 16394784, 18736896, 20493480, 21154560, 21859712, 23421120, 27324640, 31228160, 32789568, 37473792, 40986960, 42309120, 43719424, 46842240, 54649280, 62456320, 65579136, 81973920, 87438848, 93684480, 109298560, 131158272, 163947840, 187368960, 218597120, 262316544, 327895680, 437194240, 655791360, 1311582720]

約数ペア:

[(1, 1311582720), (2, 655791360), (3, 437194240), (4, 327895680), (5, 262316544), (6, 218597120), (7, 187368960), (8, 163947840), (10, 131158272), (12, 109298560), (14, 93684480), (15, 87438848), (16, 81973920), (20, 65579136), (21, 62456320), (24, 54649280), (28, 46842240), (30, 43719424), (31, 42309120), (32, 40986960), (35, 37473792), (40, 32789568), (42, 31228160), (48, 27324640), (56, 23421120), (60, 21859712), (62, 21154560), (64, 20493480), (70, 18736896), (80, 16394784), (84, 15614080), (93, 14103040), (96, 13662320), (105, 12491264), (112, 11710560), (120, 10929856), (124, 10577280), (128, 10246740), (140, 9368448), (155, 8461824), (160, 8197392), (168, 7807040), (186, 7051520), (192, 6831160), (210, 6245632), (217, 6044160), (224, 5855280), (240, 5464928), (248, 5288640), (256, 5123370), (280, 4684224), (310, 4230912), (320, 4098696), (336, 3903520), (372, 3525760), (384, 3415580), (420, 3122816), (434, 3022080), (448, 2927640), (465, 2820608), (480, 2732464), (496, 2644320), (512, 2561685), (560, 2342112), (620, 2115456), (640, 2049348), (651, 2014720), (672, 1951760), (744, 1762880), (768, 1707790), (787, 1666560), (840, 1561408), (868, 1511040), (896, 1463820), (930, 1410304), (960, 1366232), (992, 1322160), (1085, 1208832), (1120, 1171056), (1240, 1057728), (1280, 1024674), (1302, 1007360), (1344, 975880), (1488, 881440), (1536, 853895), (1574, 833280), (1680, 780704), (1736, 755520), (1792, 731910), (1860, 705152), (1920, 683116), (1984, 661080), (2170, 604416), (2240, 585528), (2361, 555520), (2480, 528864), (2560, 512337), (2604, 503680), (2688, 487940), (2976, 440720), (3148, 416640), (3255, 402944), (3360, 390352), (3472, 377760), (3584, 365955), (3720, 352576), (3840, 341558), (3935, 333312), (3968, 330540), (4340, 302208), (4480, 292764), (4722, 277760), (4960, 264432), (5208, 251840), (5376, 243970), (5509, 238080), (5952, 220360), (6296, 208320), (6510, 201472), (6720, 195176), (6944, 188880), (7440, 176288), (7680, 170779), (7870, 166656), (7936, 165270), (8680, 151104), (8960, 146382), (9444, 138880), (9920, 132216), (10416, 125920), (10752, 121985), (11018, 119040), (11805, 111104), (11904, 110180), (12592, 104160), (13020, 100736), (13440, 97588), (13888, 94440), (14880, 88144), (15740, 83328), (15872, 82635), (16527, 79360), (17360, 75552), (17920, 73191), (18888, 69440), (19840, 66108), (20832, 62960), (22036, 59520), (23610, 55552), (23808, 55090), (24397, 53760), (25184, 52080), (26040, 50368), (26880, 48794), (27545, 47616), (27776, 47220), (29760, 44072), (31480, 41664), (33054, 39680), (34720, 37776)]