257574288

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 731381760

約数和(自身を除く): 473807472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 47, 48, 58, 62, 87, 93, 94, 116, 124, 127, 141, 174, 186, 188, 232, 248, 254, 282, 348, 372, 376, 381, 464, 496, 508, 564, 696, 744, 752, 762, 899, 1016, 1128, 1363, 1392, 1457, 1488, 1524, 1798, 2032, 2256, 2697, 2726, 2914, 3048, 3596, 3683, 3937, 4089, 4371, 5394, 5452, 5828, 5969, 6096, 7192, 7366, 7874, 8178, 8742, 10788, 10904, 11049, 11656, 11811, 11938, 14384, 14732, 15748, 16356, 17484, 17907, 21576, 21808, 22098, 23312, 23622, 23876, 29464, 31496, 32712, 34968, 35814, 42253, 43152, 44196, 47244, 47752, 58928, 62992, 65424, 69936, 71628, 84506, 88392, 94488, 95504, 114173, 126759, 143256, 169012, 173101, 176784, 185039, 188976, 228346, 253518, 286512, 338024, 342519, 346202, 370078, 456692, 507036, 519303, 555117, 676048, 685038, 692404, 740156, 913384, 1014072, 1038606, 1110234, 1370076, 1384808, 1480312, 1826768, 2028144, 2077212, 2220468, 2740152, 2769616, 2960624, 4154424, 4440936, 5366131, 5480304, 8308848, 8881872, 10732262, 16098393, 21464524, 32196786, 42929048, 64393572, 85858096, 128787144, 257574288]

約数ペア:

[(1, 257574288), (2, 128787144), (3, 85858096), (4, 64393572), (6, 42929048), (8, 32196786), (12, 21464524), (16, 16098393), (24, 10732262), (29, 8881872), (31, 8308848), (47, 5480304), (48, 5366131), (58, 4440936), (62, 4154424), (87, 2960624), (93, 2769616), (94, 2740152), (116, 2220468), (124, 2077212), (127, 2028144), (141, 1826768), (174, 1480312), (186, 1384808), (188, 1370076), (232, 1110234), (248, 1038606), (254, 1014072), (282, 913384), (348, 740156), (372, 692404), (376, 685038), (381, 676048), (464, 555117), (496, 519303), (508, 507036), (564, 456692), (696, 370078), (744, 346202), (752, 342519), (762, 338024), (899, 286512), (1016, 253518), (1128, 228346), (1363, 188976), (1392, 185039), (1457, 176784), (1488, 173101), (1524, 169012), (1798, 143256), (2032, 126759), (2256, 114173), (2697, 95504), (2726, 94488), (2914, 88392), (3048, 84506), (3596, 71628), (3683, 69936), (3937, 65424), (4089, 62992), (4371, 58928), (5394, 47752), (5452, 47244), (5828, 44196), (5969, 43152), (6096, 42253), (7192, 35814), (7366, 34968), (7874, 32712), (8178, 31496), (8742, 29464), (10788, 23876), (10904, 23622), (11049, 23312), (11656, 22098), (11811, 21808), (11938, 21576), (14384, 17907), (14732, 17484), (15748, 16356)]