261784656

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 240

約数和(自身を含む): 890568000

約数和(自身を除く): 628783344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 83, 84, 98, 108, 112, 126, 144, 147, 149, 166, 168, 189, 196, 216, 249, 252, 294, 298, 332, 336, 378, 392, 432, 441, 447, 498, 504, 581, 588, 596, 664, 747, 756, 784, 882, 894, 996, 1008, 1043, 1162, 1176, 1192, 1323, 1328, 1341, 1494, 1512, 1743, 1764, 1788, 1992, 2086, 2241, 2324, 2352, 2384, 2646, 2682, 2988, 3024, 3129, 3486, 3528, 3576, 3984, 4023, 4067, 4172, 4482, 4648, 5229, 5292, 5364, 5976, 6258, 6972, 7056, 7152, 7301, 8046, 8134, 8344, 8964, 9296, 9387, 10458, 10584, 10728, 11952, 12201, 12367, 12516, 13944, 14602, 15687, 16092, 16268, 16688, 17928, 18774, 20916, 21168, 21456, 21903, 24402, 24734, 25032, 27888, 28161, 29204, 31374, 32184, 32536, 35856, 36603, 37101, 37548, 41832, 43806, 48804, 49468, 50064, 56322, 58408, 62748, 64368, 65072, 65709, 73206, 74202, 75096, 83664, 86569, 87612, 97608, 98936, 109809, 111303, 112644, 116816, 125496, 131418, 146412, 148404, 150192, 173138, 175224, 195216, 197127, 197872, 219618, 222606, 225288, 250992, 259707, 262836, 292824, 296808, 333909, 346276, 350448, 394254, 439236, 445212, 450576, 519414, 525672, 585648, 593616, 605983, 667818, 692552, 779121, 788508, 878472, 890424, 1038828, 1051344, 1211966, 1335636, 1385104, 1558242, 1577016, 1756944, 1780848, 1817949, 2077656, 2337363, 2423932, 2671272, 3116484, 3154032, 3635898, 4155312, 4674726, 4847864, 5342544, 5453847, 6232968, 7271796, 9349452, 9695728, 10907694, 12465936, 14543592, 16361541, 18698904, 21815388, 29087184, 32723082, 37397808, 43630776, 65446164, 87261552, 130892328, 261784656]

約数ペア:

[(1, 261784656), (2, 130892328), (3, 87261552), (4, 65446164), (6, 43630776), (7, 37397808), (8, 32723082), (9, 29087184), (12, 21815388), (14, 18698904), (16, 16361541), (18, 14543592), (21, 12465936), (24, 10907694), (27, 9695728), (28, 9349452), (36, 7271796), (42, 6232968), (48, 5453847), (49, 5342544), (54, 4847864), (56, 4674726), (63, 4155312), (72, 3635898), (83, 3154032), (84, 3116484), (98, 2671272), (108, 2423932), (112, 2337363), (126, 2077656), (144, 1817949), (147, 1780848), (149, 1756944), (166, 1577016), (168, 1558242), (189, 1385104), (196, 1335636), (216, 1211966), (249, 1051344), (252, 1038828), (294, 890424), (298, 878472), (332, 788508), (336, 779121), (378, 692552), (392, 667818), (432, 605983), (441, 593616), (447, 585648), (498, 525672), (504, 519414), (581, 450576), (588, 445212), (596, 439236), (664, 394254), (747, 350448), (756, 346276), (784, 333909), (882, 296808), (894, 292824), (996, 262836), (1008, 259707), (1043, 250992), (1162, 225288), (1176, 222606), (1192, 219618), (1323, 197872), (1328, 197127), (1341, 195216), (1494, 175224), (1512, 173138), (1743, 150192), (1764, 148404), (1788, 146412), (1992, 131418), (2086, 125496), (2241, 116816), (2324, 112644), (2352, 111303), (2384, 109809), (2646, 98936), (2682, 97608), (2988, 87612), (3024, 86569), (3129, 83664), (3486, 75096), (3528, 74202), (3576, 73206), (3984, 65709), (4023, 65072), (4067, 64368), (4172, 62748), (4482, 58408), (4648, 56322), (5229, 50064), (5292, 49468), (5364, 48804), (5976, 43806), (6258, 41832), (6972, 37548), (7056, 37101), (7152, 36603), (7301, 35856), (8046, 32536), (8134, 32184), (8344, 31374), (8964, 29204), (9296, 28161), (9387, 27888), (10458, 25032), (10584, 24734), (10728, 24402), (11952, 21903), (12201, 21456), (12367, 21168), (12516, 20916), (13944, 18774), (14602, 17928), (15687, 16688), (16092, 16268)]