257688432

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 160

約数和(自身を含む): 779116800

約数和(自身を除く): 521428368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 67, 72, 87, 108, 116, 134, 144, 174, 201, 216, 232, 261, 268, 307, 348, 402, 432, 464, 522, 536, 603, 614, 696, 783, 804, 921, 1044, 1072, 1206, 1228, 1392, 1566, 1608, 1809, 1842, 1943, 2088, 2412, 2456, 2763, 3132, 3216, 3618, 3684, 3886, 4176, 4824, 4912, 5526, 5829, 6264, 7236, 7368, 7772, 8289, 8903, 9648, 11052, 11658, 12528, 14472, 14736, 15544, 16578, 17487, 17806, 20569, 22104, 23316, 26709, 28944, 31088, 33156, 34974, 35612, 41138, 44208, 46632, 52461, 53418, 61707, 66312, 69948, 71224, 80127, 82276, 93264, 104922, 106836, 123414, 132624, 139896, 142448, 160254, 164552, 185121, 209844, 213672, 240381, 246828, 279792, 320508, 329104, 370242, 419688, 427344, 480762, 493656, 555363, 596501, 641016, 740484, 839376, 961524, 987312, 1110726, 1193002, 1282032, 1480968, 1789503, 1923048, 2221452, 2386004, 2961936, 3579006, 3846096, 4442904, 4772008, 5368509, 7158012, 8885808, 9544016, 10737018, 14316024, 16105527, 21474036, 28632048, 32211054, 42948072, 64422108, 85896144, 128844216, 257688432]

約数ペア:

[(1, 257688432), (2, 128844216), (3, 85896144), (4, 64422108), (6, 42948072), (8, 32211054), (9, 28632048), (12, 21474036), (16, 16105527), (18, 14316024), (24, 10737018), (27, 9544016), (29, 8885808), (36, 7158012), (48, 5368509), (54, 4772008), (58, 4442904), (67, 3846096), (72, 3579006), (87, 2961936), (108, 2386004), (116, 2221452), (134, 1923048), (144, 1789503), (174, 1480968), (201, 1282032), (216, 1193002), (232, 1110726), (261, 987312), (268, 961524), (307, 839376), (348, 740484), (402, 641016), (432, 596501), (464, 555363), (522, 493656), (536, 480762), (603, 427344), (614, 419688), (696, 370242), (783, 329104), (804, 320508), (921, 279792), (1044, 246828), (1072, 240381), (1206, 213672), (1228, 209844), (1392, 185121), (1566, 164552), (1608, 160254), (1809, 142448), (1842, 139896), (1943, 132624), (2088, 123414), (2412, 106836), (2456, 104922), (2763, 93264), (3132, 82276), (3216, 80127), (3618, 71224), (3684, 69948), (3886, 66312), (4176, 61707), (4824, 53418), (4912, 52461), (5526, 46632), (5829, 44208), (6264, 41138), (7236, 35612), (7368, 34974), (7772, 33156), (8289, 31088), (8903, 28944), (9648, 26709), (11052, 23316), (11658, 22104), (12528, 20569), (14472, 17806), (14736, 17487), (15544, 16578)]