256586256

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 747452160

約数和(自身を除く): 490865904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 229, 248, 251, 279, 372, 458, 496, 502, 558, 687, 744, 753, 916, 1004, 1116, 1374, 1488, 1506, 1832, 2008, 2061, 2232, 2259, 2748, 3012, 3664, 4016, 4122, 4464, 4518, 5496, 6024, 7099, 7781, 8244, 9036, 10992, 12048, 14198, 15562, 16488, 18072, 21297, 23343, 28396, 31124, 32976, 36144, 42594, 46686, 56792, 57479, 62248, 63891, 70029, 85188, 93372, 113584, 114958, 124496, 127782, 140058, 170376, 172437, 186744, 229916, 255564, 280116, 340752, 344874, 373488, 459832, 511128, 517311, 560232, 689748, 919664, 1022256, 1034622, 1120464, 1379496, 1781849, 2069244, 2758992, 3563698, 4138488, 5345547, 7127396, 8276976, 10691094, 14254792, 16036641, 21382188, 28509584, 32073282, 42764376, 64146564, 85528752, 128293128, 256586256]

約数ペア:

[(1, 256586256), (2, 128293128), (3, 85528752), (4, 64146564), (6, 42764376), (8, 32073282), (9, 28509584), (12, 21382188), (16, 16036641), (18, 14254792), (24, 10691094), (31, 8276976), (36, 7127396), (48, 5345547), (62, 4138488), (72, 3563698), (93, 2758992), (124, 2069244), (144, 1781849), (186, 1379496), (229, 1120464), (248, 1034622), (251, 1022256), (279, 919664), (372, 689748), (458, 560232), (496, 517311), (502, 511128), (558, 459832), (687, 373488), (744, 344874), (753, 340752), (916, 280116), (1004, 255564), (1116, 229916), (1374, 186744), (1488, 172437), (1506, 170376), (1832, 140058), (2008, 127782), (2061, 124496), (2232, 114958), (2259, 113584), (2748, 93372), (3012, 85188), (3664, 70029), (4016, 63891), (4122, 62248), (4464, 57479), (4518, 56792), (5496, 46686), (6024, 42594), (7099, 36144), (7781, 32976), (8244, 31124), (9036, 28396), (10992, 23343), (12048, 21297), (14198, 18072), (15562, 16488)]