264380896

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 619799040

約数和(自身を除く): 355418144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 83, 104, 124, 152, 166, 169, 208, 247, 248, 304, 332, 338, 403, 416, 494, 496, 589, 608, 664, 676, 806, 988, 992, 1079, 1178, 1328, 1352, 1577, 1612, 1976, 2158, 2356, 2573, 2656, 2704, 3154, 3211, 3224, 3952, 4316, 4712, 5146, 5239, 5408, 6308, 6422, 6448, 7657, 7904, 8632, 9424, 10292, 10478, 12616, 12844, 12896, 14027, 15314, 17264, 18848, 20501, 20584, 20956, 25232, 25688, 28054, 30628, 33449, 34528, 41002, 41168, 41912, 48887, 50464, 51376, 56108, 61256, 66898, 82004, 82336, 83824, 97774, 99541, 102752, 112216, 122512, 133796, 164008, 167648, 195548, 199082, 224432, 245024, 266513, 267592, 328016, 391096, 398164, 434837, 448864, 533026, 535184, 635531, 656032, 782192, 796328, 869674, 1066052, 1070368, 1271062, 1564384, 1592656, 1739348, 2132104, 2542124, 3185312, 3478696, 4264208, 5084248, 6957392, 8261903, 8528416, 10168496, 13914784, 16523806, 20336992, 33047612, 66095224, 132190448, 264380896]

約数ペア:

[(1, 264380896), (2, 132190448), (4, 66095224), (8, 33047612), (13, 20336992), (16, 16523806), (19, 13914784), (26, 10168496), (31, 8528416), (32, 8261903), (38, 6957392), (52, 5084248), (62, 4264208), (76, 3478696), (83, 3185312), (104, 2542124), (124, 2132104), (152, 1739348), (166, 1592656), (169, 1564384), (208, 1271062), (247, 1070368), (248, 1066052), (304, 869674), (332, 796328), (338, 782192), (403, 656032), (416, 635531), (494, 535184), (496, 533026), (589, 448864), (608, 434837), (664, 398164), (676, 391096), (806, 328016), (988, 267592), (992, 266513), (1079, 245024), (1178, 224432), (1328, 199082), (1352, 195548), (1577, 167648), (1612, 164008), (1976, 133796), (2158, 122512), (2356, 112216), (2573, 102752), (2656, 99541), (2704, 97774), (3154, 83824), (3211, 82336), (3224, 82004), (3952, 66898), (4316, 61256), (4712, 56108), (5146, 51376), (5239, 50464), (5408, 48887), (6308, 41912), (6422, 41168), (6448, 41002), (7657, 34528), (7904, 33449), (8632, 30628), (9424, 28054), (10292, 25688), (10478, 25232), (12616, 20956), (12844, 20584), (12896, 20501), (14027, 18848), (15314, 17264)]