257577984

素因数分解:

$2^{10}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1516

約数の個数: 132

約数和(自身を含む): 783427840

約数和(自身を除く): 525849856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 512, 576, 608, 684, 768, 912, 1024, 1152, 1216, 1368, 1471, 1536, 1824, 2304, 2432, 2736, 2942, 3072, 3648, 4413, 4608, 4864, 5472, 5884, 7296, 8826, 9216, 9728, 10944, 11768, 13239, 14592, 17652, 19456, 21888, 23536, 26478, 27949, 29184, 35304, 43776, 47072, 52956, 55898, 58368, 70608, 83847, 87552, 94144, 105912, 111796, 141216, 167694, 175104, 188288, 211824, 223592, 251541, 282432, 335388, 376576, 423648, 447184, 503082, 564864, 670776, 753152, 847296, 894368, 1006164, 1129728, 1341552, 1506304, 1694592, 1788736, 2012328, 2259456, 2683104, 3389184, 3577472, 4024656, 4518912, 5366208, 6778368, 7154944, 8049312, 10732416, 13556736, 14309888, 16098624, 21464832, 28619776, 32197248, 42929664, 64394496, 85859328, 128788992, 257577984]

約数ペア:

[(1, 257577984), (2, 128788992), (3, 85859328), (4, 64394496), (6, 42929664), (8, 32197248), (9, 28619776), (12, 21464832), (16, 16098624), (18, 14309888), (19, 13556736), (24, 10732416), (32, 8049312), (36, 7154944), (38, 6778368), (48, 5366208), (57, 4518912), (64, 4024656), (72, 3577472), (76, 3389184), (96, 2683104), (114, 2259456), (128, 2012328), (144, 1788736), (152, 1694592), (171, 1506304), (192, 1341552), (228, 1129728), (256, 1006164), (288, 894368), (304, 847296), (342, 753152), (384, 670776), (456, 564864), (512, 503082), (576, 447184), (608, 423648), (684, 376576), (768, 335388), (912, 282432), (1024, 251541), (1152, 223592), (1216, 211824), (1368, 188288), (1471, 175104), (1536, 167694), (1824, 141216), (2304, 111796), (2432, 105912), (2736, 94144), (2942, 87552), (3072, 83847), (3648, 70608), (4413, 58368), (4608, 55898), (4864, 52956), (5472, 47072), (5884, 43776), (7296, 35304), (8826, 29184), (9216, 27949), (9728, 26478), (10944, 23536), (11768, 21888), (13239, 19456), (14592, 17652)]