720290816

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 176

約数和(自身を含む): 1825203456

約数和(自身を除く): 1104912640

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 92, 112, 119, 128, 136, 161, 184, 224, 238, 256, 257, 272, 322, 368, 391, 448, 476, 512, 514, 544, 644, 736, 782, 896, 952, 1024, 1028, 1088, 1288, 1472, 1564, 1792, 1799, 1904, 2056, 2176, 2576, 2737, 2944, 3128, 3584, 3598, 3808, 4112, 4352, 4369, 5152, 5474, 5888, 5911, 6256, 7168, 7196, 7616, 8224, 8704, 8738, 10304, 10948, 11776, 11822, 12512, 14392, 15232, 16448, 17408, 17476, 20608, 21896, 23552, 23644, 25024, 28784, 30464, 30583, 32896, 34952, 41216, 41377, 43792, 47288, 50048, 57568, 60928, 61166, 65792, 69904, 82432, 82754, 87584, 94576, 100096, 100487, 115136, 121856, 122332, 131584, 139808, 164864, 165508, 175168, 189152, 200192, 200974, 230272, 244664, 263168, 279616, 331016, 350336, 378304, 400384, 401948, 460544, 489328, 559232, 662032, 700672, 703409, 756608, 803896, 921088, 978656, 1118464, 1324064, 1401344, 1406818, 1513216, 1607792, 1842176, 1957312, 2236928, 2648128, 2802688, 2813636, 3026432, 3215584, 3914624, 4473856, 5296256, 5627272, 6052864, 6431168, 7829248, 10592512, 11254544, 12862336, 15658496, 21185024, 22509088, 25724672, 31316992, 42370048, 45018176, 51449344, 90036352, 102898688, 180072704, 360145408, 720290816]

約数ペア:

[(1, 720290816), (2, 360145408), (4, 180072704), (7, 102898688), (8, 90036352), (14, 51449344), (16, 45018176), (17, 42370048), (23, 31316992), (28, 25724672), (32, 22509088), (34, 21185024), (46, 15658496), (56, 12862336), (64, 11254544), (68, 10592512), (92, 7829248), (112, 6431168), (119, 6052864), (128, 5627272), (136, 5296256), (161, 4473856), (184, 3914624), (224, 3215584), (238, 3026432), (256, 2813636), (257, 2802688), (272, 2648128), (322, 2236928), (368, 1957312), (391, 1842176), (448, 1607792), (476, 1513216), (512, 1406818), (514, 1401344), (544, 1324064), (644, 1118464), (736, 978656), (782, 921088), (896, 803896), (952, 756608), (1024, 703409), (1028, 700672), (1088, 662032), (1288, 559232), (1472, 489328), (1564, 460544), (1792, 401948), (1799, 400384), (1904, 378304), (2056, 350336), (2176, 331016), (2576, 279616), (2737, 263168), (2944, 244664), (3128, 230272), (3584, 200974), (3598, 200192), (3808, 189152), (4112, 175168), (4352, 165508), (4369, 164864), (5152, 139808), (5474, 131584), (5888, 122332), (5911, 121856), (6256, 115136), (7168, 100487), (7196, 100096), (7616, 94576), (8224, 87584), (8704, 82754), (8738, 82432), (10304, 69904), (10948, 65792), (11776, 61166), (11822, 60928), (12512, 57568), (14392, 50048), (15232, 47288), (16448, 43792), (17408, 41377), (17476, 41216), (20608, 34952), (21896, 32896), (23552, 30583), (23644, 30464), (25024, 28784)]