1388311680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2031

約数の個数: 256

約数和(自身を含む): 5155488000

約数和(自身を除く): 3767176320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 371, 384, 420, 424, 448, 480, 530, 560, 636, 640, 672, 742, 795, 840, 848, 896, 960, 1060, 1113, 1120, 1272, 1344, 1484, 1590, 1680, 1696, 1855, 1920, 1949, 2120, 2226, 2240, 2544, 2688, 2968, 3180, 3360, 3392, 3710, 3898, 4240, 4452, 4480, 5088, 5565, 5847, 5936, 6360, 6720, 6784, 7420, 7796, 8480, 8904, 9745, 10176, 11130, 11694, 11872, 12720, 13440, 13643, 14840, 15592, 16960, 17808, 19490, 20352, 22260, 23388, 23744, 25440, 27286, 29235, 29680, 31184, 33920, 35616, 38980, 40929, 44520, 46776, 47488, 50880, 54572, 58470, 59360, 62368, 68215, 71232, 77960, 81858, 89040, 93552, 101760, 103297, 109144, 116940, 118720, 124736, 136430, 142464, 155920, 163716, 178080, 187104, 204645, 206594, 218288, 233880, 237440, 249472, 272860, 309891, 311840, 327432, 356160, 374208, 409290, 413188, 436576, 467760, 516485, 545720, 619782, 623680, 654864, 712320, 723079, 748416, 818580, 826376, 873152, 935520, 1032970, 1091440, 1239564, 1247360, 1309728, 1446158, 1549455, 1637160, 1652752, 1746304, 1871040, 2065940, 2169237, 2182880, 2479128, 2619456, 2892316, 3098910, 3274320, 3305504, 3615395, 3742080, 4131880, 4338474, 4365760, 4958256, 5238912, 5784632, 6197820, 6548640, 6611008, 7230790, 8263760, 8676948, 8731520, 9916512, 10846185, 11569264, 12395640, 13097280, 13222016, 14461580, 16527520, 17353896, 19833024, 21692370, 23138528, 24791280, 26194560, 28923160, 33055040, 34707792, 39666048, 43384740, 46277056, 49582560, 57846320, 66110080, 69415584, 86769480, 92554112, 99165120, 115692640, 138831168, 173538960, 198330240, 231385280, 277662336, 347077920, 462770560, 694155840, 1388311680]

約数ペア:

[(1, 1388311680), (2, 694155840), (3, 462770560), (4, 347077920), (5, 277662336), (6, 231385280), (7, 198330240), (8, 173538960), (10, 138831168), (12, 115692640), (14, 99165120), (15, 92554112), (16, 86769480), (20, 69415584), (21, 66110080), (24, 57846320), (28, 49582560), (30, 46277056), (32, 43384740), (35, 39666048), (40, 34707792), (42, 33055040), (48, 28923160), (53, 26194560), (56, 24791280), (60, 23138528), (64, 21692370), (70, 19833024), (80, 17353896), (84, 16527520), (96, 14461580), (105, 13222016), (106, 13097280), (112, 12395640), (120, 11569264), (128, 10846185), (140, 9916512), (159, 8731520), (160, 8676948), (168, 8263760), (192, 7230790), (210, 6611008), (212, 6548640), (224, 6197820), (240, 5784632), (265, 5238912), (280, 4958256), (318, 4365760), (320, 4338474), (336, 4131880), (371, 3742080), (384, 3615395), (420, 3305504), (424, 3274320), (448, 3098910), (480, 2892316), (530, 2619456), (560, 2479128), (636, 2182880), (640, 2169237), (672, 2065940), (742, 1871040), (795, 1746304), (840, 1652752), (848, 1637160), (896, 1549455), (960, 1446158), (1060, 1309728), (1113, 1247360), (1120, 1239564), (1272, 1091440), (1344, 1032970), (1484, 935520), (1590, 873152), (1680, 826376), (1696, 818580), (1855, 748416), (1920, 723079), (1949, 712320), (2120, 654864), (2226, 623680), (2240, 619782), (2544, 545720), (2688, 516485), (2968, 467760), (3180, 436576), (3360, 413188), (3392, 409290), (3710, 374208), (3898, 356160), (4240, 327432), (4452, 311840), (4480, 309891), (5088, 272860), (5565, 249472), (5847, 237440), (5936, 233880), (6360, 218288), (6720, 206594), (6784, 204645), (7420, 187104), (7796, 178080), (8480, 163716), (8904, 155920), (9745, 142464), (10176, 136430), (11130, 124736), (11694, 118720), (11872, 116940), (12720, 109144), (13440, 103297), (13643, 101760), (14840, 93552), (15592, 89040), (16960, 81858), (17808, 77960), (19490, 71232), (20352, 68215), (22260, 62368), (23388, 59360), (23744, 58470), (25440, 54572), (27286, 50880), (29235, 47488), (29680, 46776), (31184, 44520), (33920, 40929), (35616, 38980)]