256787712

素因数分解:

$2^8\times 3^3\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 769198080

約数和(自身を除く): 512410368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 97, 108, 128, 144, 192, 194, 216, 256, 288, 291, 383, 384, 388, 432, 576, 582, 766, 768, 776, 864, 873, 1149, 1152, 1164, 1532, 1552, 1728, 1746, 2298, 2304, 2328, 2619, 3064, 3104, 3447, 3456, 3492, 4596, 4656, 5238, 6128, 6208, 6894, 6912, 6984, 9192, 9312, 10341, 10476, 12256, 12416, 13788, 13968, 18384, 18624, 20682, 20952, 24512, 24832, 27576, 27936, 36768, 37151, 37248, 41364, 41904, 49024, 55152, 55872, 73536, 74302, 74496, 82728, 83808, 98048, 110304, 111453, 111744, 147072, 148604, 165456, 167616, 220608, 222906, 223488, 294144, 297208, 330912, 334359, 335232, 441216, 445812, 594416, 661824, 668718, 670464, 882432, 891624, 1003077, 1188832, 1323648, 1337436, 1783248, 2006154, 2377664, 2647296, 2674872, 3566496, 4012308, 4755328, 5349744, 7132992, 8024616, 9510656, 10699488, 14265984, 16049232, 21398976, 28531968, 32098464, 42797952, 64196928, 85595904, 128393856, 256787712]

約数ペア:

[(1, 256787712), (2, 128393856), (3, 85595904), (4, 64196928), (6, 42797952), (8, 32098464), (9, 28531968), (12, 21398976), (16, 16049232), (18, 14265984), (24, 10699488), (27, 9510656), (32, 8024616), (36, 7132992), (48, 5349744), (54, 4755328), (64, 4012308), (72, 3566496), (96, 2674872), (97, 2647296), (108, 2377664), (128, 2006154), (144, 1783248), (192, 1337436), (194, 1323648), (216, 1188832), (256, 1003077), (288, 891624), (291, 882432), (383, 670464), (384, 668718), (388, 661824), (432, 594416), (576, 445812), (582, 441216), (766, 335232), (768, 334359), (776, 330912), (864, 297208), (873, 294144), (1149, 223488), (1152, 222906), (1164, 220608), (1532, 167616), (1552, 165456), (1728, 148604), (1746, 147072), (2298, 111744), (2304, 111453), (2328, 110304), (2619, 98048), (3064, 83808), (3104, 82728), (3447, 74496), (3456, 74302), (3492, 73536), (4596, 55872), (4656, 55152), (5238, 49024), (6128, 41904), (6208, 41364), (6894, 37248), (6912, 37151), (6984, 36768), (9192, 27936), (9312, 27576), (10341, 24832), (10476, 24512), (12256, 20952), (12416, 20682), (13788, 18624), (13968, 18384)]