256504416

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1817

約数の個数: 144

約数和(自身を含む): 808980480

約数和(自身を除く): 552476064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 217, 224, 248, 294, 336, 372, 392, 434, 496, 588, 651, 672, 744, 784, 868, 992, 1176, 1302, 1488, 1519, 1568, 1736, 1759, 2352, 2604, 2976, 3038, 3472, 3518, 4557, 4704, 5208, 5277, 6076, 6944, 7036, 9114, 10416, 10554, 12152, 12313, 14072, 18228, 20832, 21108, 24304, 24626, 28144, 36456, 36939, 42216, 48608, 49252, 54529, 56288, 72912, 73878, 84432, 86191, 98504, 109058, 145824, 147756, 163587, 168864, 172382, 197008, 218116, 258573, 295512, 327174, 344764, 381703, 394016, 436232, 517146, 591024, 654348, 689528, 763406, 872464, 1034292, 1145109, 1182048, 1308696, 1379056, 1526812, 1744928, 2068584, 2290218, 2617392, 2671921, 2758112, 3053624, 4137168, 4580436, 5234784, 5343842, 6107248, 8015763, 8274336, 9160872, 10687684, 12214496, 16031526, 18321744, 21375368, 32063052, 36643488, 42750736, 64126104, 85501472, 128252208, 256504416]

約数ペア:

[(1, 256504416), (2, 128252208), (3, 85501472), (4, 64126104), (6, 42750736), (7, 36643488), (8, 32063052), (12, 21375368), (14, 18321744), (16, 16031526), (21, 12214496), (24, 10687684), (28, 9160872), (31, 8274336), (32, 8015763), (42, 6107248), (48, 5343842), (49, 5234784), (56, 4580436), (62, 4137168), (84, 3053624), (93, 2758112), (96, 2671921), (98, 2617392), (112, 2290218), (124, 2068584), (147, 1744928), (168, 1526812), (186, 1379056), (196, 1308696), (217, 1182048), (224, 1145109), (248, 1034292), (294, 872464), (336, 763406), (372, 689528), (392, 654348), (434, 591024), (496, 517146), (588, 436232), (651, 394016), (672, 381703), (744, 344764), (784, 327174), (868, 295512), (992, 258573), (1176, 218116), (1302, 197008), (1488, 172382), (1519, 168864), (1568, 163587), (1736, 147756), (1759, 145824), (2352, 109058), (2604, 98504), (2976, 86191), (3038, 84432), (3472, 73878), (3518, 72912), (4557, 56288), (4704, 54529), (5208, 49252), (5277, 48608), (6076, 42216), (6944, 36939), (7036, 36456), (9114, 28144), (10416, 24626), (10554, 24304), (12152, 21108), (12313, 20832), (14072, 18228)]