181451232

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 554636880

約数和(自身を除く): 373185648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 397, 414, 432, 529, 552, 621, 736, 794, 828, 864, 1058, 1104, 1191, 1242, 1587, 1588, 1656, 2116, 2208, 2382, 2484, 3174, 3176, 3312, 3573, 4232, 4761, 4764, 4968, 6348, 6352, 6624, 7146, 8464, 9131, 9522, 9528, 9936, 10719, 12696, 12704, 14283, 14292, 16928, 18262, 19044, 19056, 19872, 21438, 25392, 27393, 28566, 28584, 36524, 38088, 38112, 42876, 50784, 54786, 57132, 57168, 73048, 76176, 82179, 85752, 109572, 114264, 114336, 146096, 152352, 164358, 171504, 210013, 219144, 228528, 246537, 292192, 328716, 343008, 420026, 438288, 457056, 493074, 630039, 657432, 840052, 876576, 986148, 1260078, 1314864, 1680104, 1890117, 1972296, 2520156, 2629728, 3360208, 3780234, 3944592, 5040312, 5670351, 6720416, 7560468, 7889184, 10080624, 11340702, 15120936, 20161248, 22681404, 30241872, 45362808, 60483744, 90725616, 181451232]

約数ペア:

[(1, 181451232), (2, 90725616), (3, 60483744), (4, 45362808), (6, 30241872), (8, 22681404), (9, 20161248), (12, 15120936), (16, 11340702), (18, 10080624), (23, 7889184), (24, 7560468), (27, 6720416), (32, 5670351), (36, 5040312), (46, 3944592), (48, 3780234), (54, 3360208), (69, 2629728), (72, 2520156), (92, 1972296), (96, 1890117), (108, 1680104), (138, 1314864), (144, 1260078), (184, 986148), (207, 876576), (216, 840052), (276, 657432), (288, 630039), (368, 493074), (397, 457056), (414, 438288), (432, 420026), (529, 343008), (552, 328716), (621, 292192), (736, 246537), (794, 228528), (828, 219144), (864, 210013), (1058, 171504), (1104, 164358), (1191, 152352), (1242, 146096), (1587, 114336), (1588, 114264), (1656, 109572), (2116, 85752), (2208, 82179), (2382, 76176), (2484, 73048), (3174, 57168), (3176, 57132), (3312, 54786), (3573, 50784), (4232, 42876), (4761, 38112), (4764, 38088), (4968, 36524), (6348, 28584), (6352, 28566), (6624, 27393), (7146, 25392), (8464, 21438), (9131, 19872), (9522, 19056), (9528, 19044), (9936, 18262), (10719, 16928), (12696, 14292), (12704, 14283)]