256051296

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:749

約数の個数: 144

約数和(自身を含む): 778181040

約数和(自身を除く): 522129744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 73, 76, 96, 114, 144, 146, 152, 171, 219, 228, 288, 292, 304, 342, 438, 456, 584, 608, 641, 657, 684, 876, 912, 1168, 1282, 1314, 1368, 1387, 1752, 1824, 1923, 2336, 2564, 2628, 2736, 2774, 3504, 3846, 4161, 5128, 5256, 5472, 5548, 5769, 7008, 7692, 8322, 10256, 10512, 11096, 11538, 12179, 12483, 15384, 16644, 20512, 21024, 22192, 23076, 24358, 24966, 30768, 33288, 36537, 44384, 46152, 46793, 48716, 49932, 61536, 66576, 73074, 92304, 93586, 97432, 99864, 109611, 133152, 140379, 146148, 184608, 187172, 194864, 199728, 219222, 280758, 292296, 374344, 389728, 399456, 421137, 438444, 561516, 584592, 748688, 842274, 876888, 889067, 1123032, 1169184, 1497376, 1684548, 1753776, 1778134, 2246064, 2667201, 3369096, 3507552, 3556268, 4492128, 5334402, 6738192, 7112536, 8001603, 10668804, 13476384, 14225072, 16003206, 21337608, 28450144, 32006412, 42675216, 64012824, 85350432, 128025648, 256051296]

約数ペア:

[(1, 256051296), (2, 128025648), (3, 85350432), (4, 64012824), (6, 42675216), (8, 32006412), (9, 28450144), (12, 21337608), (16, 16003206), (18, 14225072), (19, 13476384), (24, 10668804), (32, 8001603), (36, 7112536), (38, 6738192), (48, 5334402), (57, 4492128), (72, 3556268), (73, 3507552), (76, 3369096), (96, 2667201), (114, 2246064), (144, 1778134), (146, 1753776), (152, 1684548), (171, 1497376), (219, 1169184), (228, 1123032), (288, 889067), (292, 876888), (304, 842274), (342, 748688), (438, 584592), (456, 561516), (584, 438444), (608, 421137), (641, 399456), (657, 389728), (684, 374344), (876, 292296), (912, 280758), (1168, 219222), (1282, 199728), (1314, 194864), (1368, 187172), (1387, 184608), (1752, 146148), (1824, 140379), (1923, 133152), (2336, 109611), (2564, 99864), (2628, 97432), (2736, 93586), (2774, 92304), (3504, 73074), (3846, 66576), (4161, 61536), (5128, 49932), (5256, 48716), (5472, 46793), (5548, 46152), (5769, 44384), (7008, 36537), (7692, 33288), (8322, 30768), (10256, 24966), (10512, 24358), (11096, 23076), (11538, 22192), (12179, 21024), (12483, 20512), (15384, 16644)]