257275824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 769950720

約数和(自身を除く): 512674896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 79, 102, 104, 136, 156, 158, 204, 208, 221, 237, 272, 307, 312, 316, 408, 442, 474, 614, 624, 632, 663, 816, 884, 921, 948, 1027, 1228, 1264, 1326, 1343, 1768, 1842, 1896, 2054, 2456, 2652, 2686, 3081, 3536, 3684, 3792, 3991, 4029, 4108, 4912, 5219, 5304, 5372, 6162, 7368, 7982, 8058, 8216, 10438, 10608, 10744, 11973, 12324, 14736, 15657, 15964, 16116, 16432, 17459, 20876, 21488, 23946, 24253, 24648, 31314, 31928, 32232, 34918, 41752, 47892, 48506, 49296, 52377, 62628, 63856, 64464, 67847, 69836, 72759, 83504, 95784, 97012, 104754, 125256, 135694, 139672, 145518, 191568, 194024, 203541, 209508, 250512, 271388, 279344, 291036, 315289, 388048, 407082, 412301, 419016, 542776, 582072, 630578, 814164, 824602, 838032, 945867, 1085552, 1164144, 1236903, 1261156, 1628328, 1649204, 1891734, 2473806, 2522312, 3256656, 3298408, 3783468, 4947612, 5044624, 5359913, 6596816, 7566936, 9895224, 10719826, 15133872, 16079739, 19790448, 21439652, 32159478, 42879304, 64318956, 85758608, 128637912, 257275824]

約数ペア:

[(1, 257275824), (2, 128637912), (3, 85758608), (4, 64318956), (6, 42879304), (8, 32159478), (12, 21439652), (13, 19790448), (16, 16079739), (17, 15133872), (24, 10719826), (26, 9895224), (34, 7566936), (39, 6596816), (48, 5359913), (51, 5044624), (52, 4947612), (68, 3783468), (78, 3298408), (79, 3256656), (102, 2522312), (104, 2473806), (136, 1891734), (156, 1649204), (158, 1628328), (204, 1261156), (208, 1236903), (221, 1164144), (237, 1085552), (272, 945867), (307, 838032), (312, 824602), (316, 814164), (408, 630578), (442, 582072), (474, 542776), (614, 419016), (624, 412301), (632, 407082), (663, 388048), (816, 315289), (884, 291036), (921, 279344), (948, 271388), (1027, 250512), (1228, 209508), (1264, 203541), (1326, 194024), (1343, 191568), (1768, 145518), (1842, 139672), (1896, 135694), (2054, 125256), (2456, 104754), (2652, 97012), (2686, 95784), (3081, 83504), (3536, 72759), (3684, 69836), (3792, 67847), (3991, 64464), (4029, 63856), (4108, 62628), (4912, 52377), (5219, 49296), (5304, 48506), (5372, 47892), (6162, 41752), (7368, 34918), (7982, 32232), (8058, 31928), (8216, 31314), (10438, 24648), (10608, 24253), (10744, 23946), (11973, 21488), (12324, 20876), (14736, 17459), (15657, 16432), (15964, 16116)]