1280129872

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5503}}^1$

素因数の和:5616

約数の個数: 80

約数和(自身を含む): 2970222592

約数和(自身を除く): 1690092720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 112, 124, 134, 217, 248, 268, 434, 469, 496, 536, 868, 938, 1072, 1736, 1876, 2077, 3472, 3752, 4154, 5503, 7504, 8308, 11006, 14539, 16616, 22012, 29078, 33232, 38521, 44024, 58156, 77042, 88048, 116312, 154084, 170593, 232624, 308168, 341186, 368701, 616336, 682372, 737402, 1194151, 1364744, 1474804, 2388302, 2580907, 2729488, 2949608, 4776604, 5161814, 5899216, 9553208, 10323628, 11429731, 19106416, 20647256, 22859462, 41294512, 45718924, 80008117, 91437848, 160016234, 182875696, 320032468, 640064936, 1280129872]

約数ペア:

[(1, 1280129872), (2, 640064936), (4, 320032468), (7, 182875696), (8, 160016234), (14, 91437848), (16, 80008117), (28, 45718924), (31, 41294512), (56, 22859462), (62, 20647256), (67, 19106416), (112, 11429731), (124, 10323628), (134, 9553208), (217, 5899216), (248, 5161814), (268, 4776604), (434, 2949608), (469, 2729488), (496, 2580907), (536, 2388302), (868, 1474804), (938, 1364744), (1072, 1194151), (1736, 737402), (1876, 682372), (2077, 616336), (3472, 368701), (3752, 341186), (4154, 308168), (5503, 232624), (7504, 170593), (8308, 154084), (11006, 116312), (14539, 88048), (16616, 77042), (22012, 58156), (29078, 44024), (33232, 38521)]