261577344

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1$

素因数の和:4278

約数の個数: 128

約数和(自身を含む): 828794880

約数和(自身を除く): 567217536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 483, 552, 644, 672, 736, 896, 966, 1104, 1288, 1344, 1472, 1932, 2208, 2576, 2688, 2944, 3864, 4231, 4416, 5152, 7728, 8462, 8832, 10304, 12693, 15456, 16924, 20608, 25386, 29617, 30912, 33848, 50772, 59234, 61824, 67696, 88851, 97313, 101544, 118468, 135392, 177702, 194626, 203088, 236936, 270784, 291939, 355404, 389252, 406176, 473872, 541568, 583878, 681191, 710808, 778504, 812352, 947744, 1167756, 1362382, 1421616, 1557008, 1624704, 1895488, 2043573, 2335512, 2724764, 2843232, 3114016, 3790976, 4087146, 4671024, 5449528, 5686464, 6228032, 8174292, 9342048, 10899056, 11372928, 12456064, 16348584, 18684096, 21798112, 32697168, 37368192, 43596224, 65394336, 87192448, 130788672, 261577344]

約数ペア:

[(1, 261577344), (2, 130788672), (3, 87192448), (4, 65394336), (6, 43596224), (7, 37368192), (8, 32697168), (12, 21798112), (14, 18684096), (16, 16348584), (21, 12456064), (23, 11372928), (24, 10899056), (28, 9342048), (32, 8174292), (42, 6228032), (46, 5686464), (48, 5449528), (56, 4671024), (64, 4087146), (69, 3790976), (84, 3114016), (92, 2843232), (96, 2724764), (112, 2335512), (128, 2043573), (138, 1895488), (161, 1624704), (168, 1557008), (184, 1421616), (192, 1362382), (224, 1167756), (276, 947744), (322, 812352), (336, 778504), (368, 710808), (384, 681191), (448, 583878), (483, 541568), (552, 473872), (644, 406176), (672, 389252), (736, 355404), (896, 291939), (966, 270784), (1104, 236936), (1288, 203088), (1344, 194626), (1472, 177702), (1932, 135392), (2208, 118468), (2576, 101544), (2688, 97313), (2944, 88851), (3864, 67696), (4231, 61824), (4416, 59234), (5152, 50772), (7728, 33848), (8462, 30912), (8832, 29617), (10304, 25386), (12693, 20608), (15456, 16924)]