281379168

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 216

約数和(自身を含む): 944116992

約数和(自身を除く): 662737824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 127, 144, 147, 157, 168, 196, 224, 252, 254, 288, 294, 314, 336, 381, 392, 441, 471, 504, 508, 588, 628, 672, 762, 784, 882, 889, 942, 1008, 1016, 1099, 1143, 1176, 1256, 1413, 1524, 1568, 1764, 1778, 1884, 2016, 2032, 2198, 2286, 2352, 2512, 2667, 2826, 3048, 3297, 3528, 3556, 3768, 4064, 4396, 4572, 4704, 5024, 5334, 5652, 6096, 6223, 6594, 7056, 7112, 7536, 7693, 8001, 8792, 9144, 9891, 10668, 11304, 12192, 12446, 13188, 14112, 14224, 15072, 15386, 16002, 17584, 18288, 18669, 19782, 19939, 21336, 22608, 23079, 24892, 26376, 28448, 30772, 32004, 35168, 36576, 37338, 39564, 39878, 42672, 45216, 46158, 49784, 52752, 56007, 59817, 61544, 64008, 69237, 74676, 79128, 79756, 85344, 92316, 99568, 105504, 112014, 119634, 123088, 128016, 138474, 139573, 149352, 158256, 159512, 179451, 184632, 199136, 224028, 239268, 246176, 256032, 276948, 279146, 298704, 316512, 319024, 358902, 369264, 418719, 448056, 478536, 553896, 558292, 597408, 638048, 717804, 738528, 837438, 896112, 957072, 977011, 1107792, 1116584, 1256157, 1435608, 1674876, 1792224, 1914144, 1954022, 2215584, 2233168, 2512314, 2871216, 2931033, 3349752, 3908044, 4466336, 5024628, 5742432, 5862066, 6699504, 7816088, 8793099, 10049256, 11724132, 13399008, 15632176, 17586198, 20098512, 23448264, 31264352, 35172396, 40197024, 46896528, 70344792, 93793056, 140689584, 281379168]

約数ペア:

[(1, 281379168), (2, 140689584), (3, 93793056), (4, 70344792), (6, 46896528), (7, 40197024), (8, 35172396), (9, 31264352), (12, 23448264), (14, 20098512), (16, 17586198), (18, 15632176), (21, 13399008), (24, 11724132), (28, 10049256), (32, 8793099), (36, 7816088), (42, 6699504), (48, 5862066), (49, 5742432), (56, 5024628), (63, 4466336), (72, 3908044), (84, 3349752), (96, 2931033), (98, 2871216), (112, 2512314), (126, 2233168), (127, 2215584), (144, 1954022), (147, 1914144), (157, 1792224), (168, 1674876), (196, 1435608), (224, 1256157), (252, 1116584), (254, 1107792), (288, 977011), (294, 957072), (314, 896112), (336, 837438), (381, 738528), (392, 717804), (441, 638048), (471, 597408), (504, 558292), (508, 553896), (588, 478536), (628, 448056), (672, 418719), (762, 369264), (784, 358902), (882, 319024), (889, 316512), (942, 298704), (1008, 279146), (1016, 276948), (1099, 256032), (1143, 246176), (1176, 239268), (1256, 224028), (1413, 199136), (1524, 184632), (1568, 179451), (1764, 159512), (1778, 158256), (1884, 149352), (2016, 139573), (2032, 138474), (2198, 128016), (2286, 123088), (2352, 119634), (2512, 112014), (2667, 105504), (2826, 99568), (3048, 92316), (3297, 85344), (3528, 79756), (3556, 79128), (3768, 74676), (4064, 69237), (4396, 64008), (4572, 61544), (4704, 59817), (5024, 56007), (5334, 52752), (5652, 49784), (6096, 46158), (6223, 45216), (6594, 42672), (7056, 39878), (7112, 39564), (7536, 37338), (7693, 36576), (8001, 35168), (8792, 32004), (9144, 30772), (9891, 28448), (10668, 26376), (11304, 24892), (12192, 23079), (12446, 22608), (13188, 21336), (14112, 19939), (14224, 19782), (15072, 18669), (15386, 18288), (16002, 17584)]