81708144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 256650240

約数和(自身を除く): 174942096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 97, 109, 112, 138, 161, 168, 184, 194, 218, 276, 291, 322, 327, 336, 368, 388, 436, 483, 552, 582, 644, 654, 679, 763, 776, 872, 966, 1104, 1164, 1288, 1308, 1358, 1526, 1552, 1744, 1932, 2037, 2231, 2289, 2328, 2507, 2576, 2616, 2716, 3052, 3864, 4074, 4462, 4578, 4656, 5014, 5232, 5432, 6104, 6693, 7521, 7728, 8148, 8924, 9156, 10028, 10573, 10864, 12208, 13386, 15042, 15617, 16296, 17549, 17848, 18312, 20056, 21146, 26772, 30084, 31234, 31719, 32592, 35098, 35696, 36624, 40112, 42292, 46851, 52647, 53544, 60168, 62468, 63438, 70196, 74011, 84584, 93702, 105294, 107088, 120336, 124936, 126876, 140392, 148022, 169168, 187404, 210588, 222033, 243179, 249872, 253752, 280784, 296044, 374808, 421176, 444066, 486358, 507504, 592088, 729537, 749616, 842352, 888132, 972716, 1184176, 1459074, 1702253, 1776264, 1945432, 2918148, 3404506, 3552528, 3890864, 5106759, 5836296, 6809012, 10213518, 11672592, 13618024, 20427036, 27236048, 40854072, 81708144]

約数ペア:

[(1, 81708144), (2, 40854072), (3, 27236048), (4, 20427036), (6, 13618024), (7, 11672592), (8, 10213518), (12, 6809012), (14, 5836296), (16, 5106759), (21, 3890864), (23, 3552528), (24, 3404506), (28, 2918148), (42, 1945432), (46, 1776264), (48, 1702253), (56, 1459074), (69, 1184176), (84, 972716), (92, 888132), (97, 842352), (109, 749616), (112, 729537), (138, 592088), (161, 507504), (168, 486358), (184, 444066), (194, 421176), (218, 374808), (276, 296044), (291, 280784), (322, 253752), (327, 249872), (336, 243179), (368, 222033), (388, 210588), (436, 187404), (483, 169168), (552, 148022), (582, 140392), (644, 126876), (654, 124936), (679, 120336), (763, 107088), (776, 105294), (872, 93702), (966, 84584), (1104, 74011), (1164, 70196), (1288, 63438), (1308, 62468), (1358, 60168), (1526, 53544), (1552, 52647), (1744, 46851), (1932, 42292), (2037, 40112), (2231, 36624), (2289, 35696), (2328, 35098), (2507, 32592), (2576, 31719), (2616, 31234), (2716, 30084), (3052, 26772), (3864, 21146), (4074, 20056), (4462, 18312), (4578, 17848), (4656, 17549), (5014, 16296), (5232, 15617), (5432, 15042), (6104, 13386), (6693, 12208), (7521, 10864), (7728, 10573), (8148, 10028), (8924, 9156)]