820831488

素因数分解:

$2^8\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 2252651520

約数和(自身を除く): 1431820032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 83, 96, 128, 158, 163, 166, 192, 237, 249, 256, 316, 326, 332, 384, 474, 489, 498, 632, 652, 664, 768, 948, 978, 996, 1264, 1304, 1328, 1896, 1956, 1992, 2528, 2608, 2656, 3792, 3912, 3984, 5056, 5216, 5312, 6557, 7584, 7824, 7968, 10112, 10432, 10624, 12877, 13114, 13529, 15168, 15648, 15936, 19671, 20224, 20864, 21248, 25754, 26228, 27058, 30336, 31296, 31872, 38631, 39342, 40587, 41728, 51508, 52456, 54116, 60672, 62592, 63744, 77262, 78684, 81174, 103016, 104912, 108232, 125184, 154524, 157368, 162348, 206032, 209824, 216464, 309048, 314736, 324696, 412064, 419648, 432928, 618096, 629472, 649392, 824128, 839296, 865856, 1068791, 1236192, 1258944, 1298784, 1648256, 1678592, 1731712, 2137582, 2472384, 2517888, 2597568, 3206373, 3296512, 3463424, 4275164, 4944768, 5035776, 5195136, 6412746, 8550328, 9889536, 10390272, 12825492, 17100656, 25650984, 34201312, 51301968, 68402624, 102603936, 136805248, 205207872, 273610496, 410415744, 820831488]

約数ペア:

[(1, 820831488), (2, 410415744), (3, 273610496), (4, 205207872), (6, 136805248), (8, 102603936), (12, 68402624), (16, 51301968), (24, 34201312), (32, 25650984), (48, 17100656), (64, 12825492), (79, 10390272), (83, 9889536), (96, 8550328), (128, 6412746), (158, 5195136), (163, 5035776), (166, 4944768), (192, 4275164), (237, 3463424), (249, 3296512), (256, 3206373), (316, 2597568), (326, 2517888), (332, 2472384), (384, 2137582), (474, 1731712), (489, 1678592), (498, 1648256), (632, 1298784), (652, 1258944), (664, 1236192), (768, 1068791), (948, 865856), (978, 839296), (996, 824128), (1264, 649392), (1304, 629472), (1328, 618096), (1896, 432928), (1956, 419648), (1992, 412064), (2528, 324696), (2608, 314736), (2656, 309048), (3792, 216464), (3912, 209824), (3984, 206032), (5056, 162348), (5216, 157368), (5312, 154524), (6557, 125184), (7584, 108232), (7824, 104912), (7968, 103016), (10112, 81174), (10432, 78684), (10624, 77262), (12877, 63744), (13114, 62592), (13529, 60672), (15168, 54116), (15648, 52456), (15936, 51508), (19671, 41728), (20224, 40587), (20864, 39342), (21248, 38631), (25754, 31872), (26228, 31296), (27058, 30336)]