280920528

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:631

約数の個数: 240

約数和(自身を含む): 980472960

約数和(自身を除く): 699552432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 84, 92, 98, 108, 112, 126, 138, 144, 147, 161, 168, 184, 189, 196, 207, 216, 252, 276, 294, 322, 336, 368, 378, 392, 414, 432, 441, 483, 504, 552, 577, 588, 621, 644, 756, 784, 828, 882, 966, 1008, 1104, 1127, 1154, 1176, 1242, 1288, 1323, 1449, 1512, 1656, 1731, 1764, 1932, 2254, 2308, 2352, 2484, 2576, 2646, 2898, 3024, 3312, 3381, 3462, 3528, 3864, 4039, 4347, 4508, 4616, 4968, 5193, 5292, 5796, 6762, 6924, 7056, 7728, 8078, 8694, 9016, 9232, 9936, 10143, 10386, 10584, 11592, 12117, 13271, 13524, 13848, 15579, 16156, 17388, 18032, 20286, 20772, 21168, 23184, 24234, 26542, 27048, 27696, 28273, 30429, 31158, 32312, 34776, 36351, 39813, 40572, 41544, 48468, 53084, 54096, 56546, 60858, 62316, 64624, 69552, 72702, 79626, 81144, 83088, 84819, 92897, 96936, 106168, 109053, 113092, 119439, 121716, 124632, 145404, 159252, 162288, 169638, 185794, 193872, 212336, 218106, 226184, 238878, 243432, 249264, 254457, 278691, 290808, 318504, 339276, 358317, 371588, 436212, 452368, 477756, 486864, 508914, 557382, 581616, 637008, 650279, 678552, 716634, 743176, 763371, 836073, 872424, 955512, 1017828, 1114764, 1300558, 1357104, 1433268, 1486352, 1526742, 1672146, 1744848, 1911024, 1950837, 2035656, 2229528, 2508219, 2601116, 2866536, 3053484, 3344292, 3901674, 4071312, 4459056, 5016438, 5202232, 5733072, 5852511, 6106968, 6688584, 7803348, 10032876, 10404464, 11705022, 12213936, 13377168, 15606696, 17557533, 20065752, 23410044, 31213392, 35115066, 40131504, 46820088, 70230132, 93640176, 140460264, 280920528]

約数ペア:

[(1, 280920528), (2, 140460264), (3, 93640176), (4, 70230132), (6, 46820088), (7, 40131504), (8, 35115066), (9, 31213392), (12, 23410044), (14, 20065752), (16, 17557533), (18, 15606696), (21, 13377168), (23, 12213936), (24, 11705022), (27, 10404464), (28, 10032876), (36, 7803348), (42, 6688584), (46, 6106968), (48, 5852511), (49, 5733072), (54, 5202232), (56, 5016438), (63, 4459056), (69, 4071312), (72, 3901674), (84, 3344292), (92, 3053484), (98, 2866536), (108, 2601116), (112, 2508219), (126, 2229528), (138, 2035656), (144, 1950837), (147, 1911024), (161, 1744848), (168, 1672146), (184, 1526742), (189, 1486352), (196, 1433268), (207, 1357104), (216, 1300558), (252, 1114764), (276, 1017828), (294, 955512), (322, 872424), (336, 836073), (368, 763371), (378, 743176), (392, 716634), (414, 678552), (432, 650279), (441, 637008), (483, 581616), (504, 557382), (552, 508914), (577, 486864), (588, 477756), (621, 452368), (644, 436212), (756, 371588), (784, 358317), (828, 339276), (882, 318504), (966, 290808), (1008, 278691), (1104, 254457), (1127, 249264), (1154, 243432), (1176, 238878), (1242, 226184), (1288, 218106), (1323, 212336), (1449, 193872), (1512, 185794), (1656, 169638), (1731, 162288), (1764, 159252), (1932, 145404), (2254, 124632), (2308, 121716), (2352, 119439), (2484, 113092), (2576, 109053), (2646, 106168), (2898, 96936), (3024, 92897), (3312, 84819), (3381, 83088), (3462, 81144), (3528, 79626), (3864, 72702), (4039, 69552), (4347, 64624), (4508, 62316), (4616, 60858), (4968, 56546), (5193, 54096), (5292, 53084), (5796, 48468), (6762, 41544), (6924, 40572), (7056, 39813), (7728, 36351), (8078, 34776), (8694, 32312), (9016, 31158), (9232, 30429), (9936, 28273), (10143, 27696), (10386, 27048), (10584, 26542), (11592, 24234), (12117, 23184), (13271, 21168), (13524, 20772), (13848, 20286), (15579, 18032), (16156, 17388)]