257141472

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 817496064

約数和(自身を除く): 560354592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 127, 131, 138, 161, 168, 184, 224, 254, 262, 276, 322, 336, 368, 381, 393, 483, 508, 524, 552, 644, 672, 736, 762, 786, 889, 917, 966, 1016, 1048, 1104, 1288, 1524, 1572, 1778, 1834, 1932, 2032, 2096, 2208, 2576, 2667, 2751, 2921, 3013, 3048, 3144, 3556, 3668, 3864, 4064, 4192, 5152, 5334, 5502, 5842, 6026, 6096, 6288, 7112, 7336, 7728, 8763, 9039, 10668, 11004, 11684, 12052, 12192, 12576, 14224, 14672, 15456, 16637, 17526, 18078, 20447, 21091, 21336, 22008, 23368, 24104, 28448, 29344, 33274, 35052, 36156, 40894, 42182, 42672, 44016, 46736, 48208, 49911, 61341, 63273, 66548, 70104, 72312, 81788, 84364, 85344, 88032, 93472, 96416, 99822, 116459, 122682, 126546, 133096, 140208, 144624, 163576, 168728, 199644, 232918, 245364, 253092, 266192, 280416, 289248, 327152, 337456, 349377, 382651, 399288, 465836, 490728, 506184, 532384, 654304, 674912, 698754, 765302, 798576, 931672, 981456, 1012368, 1147953, 1397508, 1530604, 1597152, 1863344, 1962912, 2024736, 2295906, 2678557, 2795016, 3061208, 3726688, 4591812, 5357114, 5590032, 6122416, 8035671, 9183624, 10714228, 11180064, 12244832, 16071342, 18367248, 21428456, 32142684, 36734496, 42856912, 64285368, 85713824, 128570736, 257141472]

約数ペア:

[(1, 257141472), (2, 128570736), (3, 85713824), (4, 64285368), (6, 42856912), (7, 36734496), (8, 32142684), (12, 21428456), (14, 18367248), (16, 16071342), (21, 12244832), (23, 11180064), (24, 10714228), (28, 9183624), (32, 8035671), (42, 6122416), (46, 5590032), (48, 5357114), (56, 4591812), (69, 3726688), (84, 3061208), (92, 2795016), (96, 2678557), (112, 2295906), (127, 2024736), (131, 1962912), (138, 1863344), (161, 1597152), (168, 1530604), (184, 1397508), (224, 1147953), (254, 1012368), (262, 981456), (276, 931672), (322, 798576), (336, 765302), (368, 698754), (381, 674912), (393, 654304), (483, 532384), (508, 506184), (524, 490728), (552, 465836), (644, 399288), (672, 382651), (736, 349377), (762, 337456), (786, 327152), (889, 289248), (917, 280416), (966, 266192), (1016, 253092), (1048, 245364), (1104, 232918), (1288, 199644), (1524, 168728), (1572, 163576), (1778, 144624), (1834, 140208), (1932, 133096), (2032, 126546), (2096, 122682), (2208, 116459), (2576, 99822), (2667, 96416), (2751, 93472), (2921, 88032), (3013, 85344), (3048, 84364), (3144, 81788), (3556, 72312), (3668, 70104), (3864, 66548), (4064, 63273), (4192, 61341), (5152, 49911), (5334, 48208), (5502, 46736), (5842, 44016), (6026, 42672), (6096, 42182), (6288, 40894), (7112, 36156), (7336, 35052), (7728, 33274), (8763, 29344), (9039, 28448), (10668, 24104), (11004, 23368), (11684, 22008), (12052, 21336), (12192, 21091), (12576, 20447), (14224, 18078), (14672, 17526), (15456, 16637)]