78641784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 241516080

約数和(自身を除く): 162874296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 169, 184, 207, 234, 276, 281, 299, 312, 338, 414, 468, 507, 552, 562, 598, 676, 828, 843, 897, 936, 1014, 1124, 1196, 1352, 1521, 1656, 1686, 1794, 2028, 2248, 2392, 2529, 2691, 3042, 3372, 3588, 3653, 3887, 4056, 5058, 5382, 6084, 6463, 6744, 7176, 7306, 7774, 10116, 10764, 10959, 11661, 12168, 12926, 14612, 15548, 19389, 20232, 21528, 21918, 23322, 25852, 29224, 31096, 32877, 34983, 38778, 43836, 46644, 47489, 51704, 58167, 65754, 69966, 77556, 84019, 87672, 93288, 94978, 116334, 131508, 139932, 142467, 155112, 168038, 189956, 232668, 252057, 263016, 279864, 284934, 336076, 379912, 427401, 465336, 504114, 569868, 672152, 756171, 854802, 1008228, 1092247, 1139736, 1512342, 1709604, 2016456, 2184494, 3024684, 3276741, 3419208, 4368988, 6049368, 6553482, 8737976, 9830223, 13106964, 19660446, 26213928, 39320892, 78641784]

約数ペア:

[(1, 78641784), (2, 39320892), (3, 26213928), (4, 19660446), (6, 13106964), (8, 9830223), (9, 8737976), (12, 6553482), (13, 6049368), (18, 4368988), (23, 3419208), (24, 3276741), (26, 3024684), (36, 2184494), (39, 2016456), (46, 1709604), (52, 1512342), (69, 1139736), (72, 1092247), (78, 1008228), (92, 854802), (104, 756171), (117, 672152), (138, 569868), (156, 504114), (169, 465336), (184, 427401), (207, 379912), (234, 336076), (276, 284934), (281, 279864), (299, 263016), (312, 252057), (338, 232668), (414, 189956), (468, 168038), (507, 155112), (552, 142467), (562, 139932), (598, 131508), (676, 116334), (828, 94978), (843, 93288), (897, 87672), (936, 84019), (1014, 77556), (1124, 69966), (1196, 65754), (1352, 58167), (1521, 51704), (1656, 47489), (1686, 46644), (1794, 43836), (2028, 38778), (2248, 34983), (2392, 32877), (2529, 31096), (2691, 29224), (3042, 25852), (3372, 23322), (3588, 21918), (3653, 21528), (3887, 20232), (4056, 19389), (5058, 15548), (5382, 14612), (6084, 12926), (6463, 12168), (6744, 11661), (7176, 10959), (7306, 10764), (7774, 10116)]