280815288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 804249600

約数和(自身を除く): 523434312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 127, 152, 156, 228, 247, 254, 312, 373, 381, 456, 494, 508, 741, 746, 762, 988, 1016, 1119, 1482, 1492, 1524, 1651, 1976, 2238, 2413, 2964, 2984, 3048, 3302, 4476, 4826, 4849, 4953, 5928, 6604, 7087, 7239, 8952, 9652, 9698, 9906, 13208, 14174, 14478, 14547, 19304, 19396, 19812, 21261, 28348, 28956, 29094, 31369, 38792, 39624, 42522, 47371, 56696, 57912, 58188, 62738, 85044, 92131, 94107, 94742, 116376, 125476, 142113, 170088, 184262, 188214, 189484, 250952, 276393, 284226, 368524, 376428, 378968, 552786, 568452, 615823, 737048, 752856, 900049, 1105572, 1136904, 1231646, 1800098, 1847469, 2211144, 2463292, 2700147, 3600196, 3694938, 4926584, 5400294, 7200392, 7389876, 10800588, 11700637, 14779752, 21601176, 23401274, 35101911, 46802548, 70203822, 93605096, 140407644, 280815288]

約数ペア:

[(1, 280815288), (2, 140407644), (3, 93605096), (4, 70203822), (6, 46802548), (8, 35101911), (12, 23401274), (13, 21601176), (19, 14779752), (24, 11700637), (26, 10800588), (38, 7389876), (39, 7200392), (52, 5400294), (57, 4926584), (76, 3694938), (78, 3600196), (104, 2700147), (114, 2463292), (127, 2211144), (152, 1847469), (156, 1800098), (228, 1231646), (247, 1136904), (254, 1105572), (312, 900049), (373, 752856), (381, 737048), (456, 615823), (494, 568452), (508, 552786), (741, 378968), (746, 376428), (762, 368524), (988, 284226), (1016, 276393), (1119, 250952), (1482, 189484), (1492, 188214), (1524, 184262), (1651, 170088), (1976, 142113), (2238, 125476), (2413, 116376), (2964, 94742), (2984, 94107), (3048, 92131), (3302, 85044), (4476, 62738), (4826, 58188), (4849, 57912), (4953, 56696), (5928, 47371), (6604, 42522), (7087, 39624), (7239, 38792), (8952, 31369), (9652, 29094), (9698, 28956), (9906, 28348), (13208, 21261), (14174, 19812), (14478, 19396), (14547, 19304)]