261444864

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 784994112

約数和(自身を除く): 523549248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 41, 46, 48, 57, 64, 69, 76, 82, 92, 96, 114, 123, 128, 138, 152, 164, 184, 192, 228, 246, 256, 276, 304, 328, 361, 368, 384, 437, 456, 492, 552, 608, 656, 722, 736, 768, 779, 874, 912, 943, 984, 1083, 1104, 1216, 1311, 1312, 1444, 1472, 1558, 1748, 1824, 1886, 1968, 2166, 2208, 2337, 2432, 2622, 2624, 2829, 2888, 2944, 3116, 3496, 3648, 3772, 3936, 4332, 4416, 4674, 4864, 5244, 5248, 5658, 5776, 5888, 6232, 6992, 7296, 7544, 7872, 8303, 8664, 8832, 9348, 10488, 10496, 11316, 11552, 12464, 13984, 14592, 14801, 15088, 15744, 16606, 17328, 17664, 17917, 18696, 20976, 22632, 23104, 24909, 24928, 27968, 29602, 30176, 31488, 33212, 34656, 35834, 37392, 41952, 44403, 45264, 46208, 49818, 49856, 53751, 55936, 59204, 60352, 66424, 69312, 71668, 74784, 83904, 88806, 90528, 92416, 99636, 99712, 107502, 111872, 118408, 120704, 132848, 138624, 143336, 149568, 167808, 177612, 181056, 199272, 199424, 215004, 236816, 241408, 265696, 277248, 286672, 299136, 335616, 340423, 355224, 362112, 398544, 430008, 473632, 531392, 573344, 598272, 680846, 710448, 724224, 797088, 860016, 947264, 1021269, 1062784, 1146688, 1361692, 1420896, 1594176, 1720032, 1894528, 2042538, 2125568, 2293376, 2723384, 2841792, 3188352, 3440064, 3789056, 4085076, 4586752, 5446768, 5683584, 6376704, 6880128, 8170152, 10893536, 11367168, 13760256, 16340304, 21787072, 32680608, 43574144, 65361216, 87148288, 130722432, 261444864]

約数ペア:

[(1, 261444864), (2, 130722432), (3, 87148288), (4, 65361216), (6, 43574144), (8, 32680608), (12, 21787072), (16, 16340304), (19, 13760256), (23, 11367168), (24, 10893536), (32, 8170152), (38, 6880128), (41, 6376704), (46, 5683584), (48, 5446768), (57, 4586752), (64, 4085076), (69, 3789056), (76, 3440064), (82, 3188352), (92, 2841792), (96, 2723384), (114, 2293376), (123, 2125568), (128, 2042538), (138, 1894528), (152, 1720032), (164, 1594176), (184, 1420896), (192, 1361692), (228, 1146688), (246, 1062784), (256, 1021269), (276, 947264), (304, 860016), (328, 797088), (361, 724224), (368, 710448), (384, 680846), (437, 598272), (456, 573344), (492, 531392), (552, 473632), (608, 430008), (656, 398544), (722, 362112), (736, 355224), (768, 340423), (779, 335616), (874, 299136), (912, 286672), (943, 277248), (984, 265696), (1083, 241408), (1104, 236816), (1216, 215004), (1311, 199424), (1312, 199272), (1444, 181056), (1472, 177612), (1558, 167808), (1748, 149568), (1824, 143336), (1886, 138624), (1968, 132848), (2166, 120704), (2208, 118408), (2337, 111872), (2432, 107502), (2622, 99712), (2624, 99636), (2829, 92416), (2888, 90528), (2944, 88806), (3116, 83904), (3496, 74784), (3648, 71668), (3772, 69312), (3936, 66424), (4332, 60352), (4416, 59204), (4674, 55936), (4864, 53751), (5244, 49856), (5248, 49818), (5658, 46208), (5776, 45264), (5888, 44403), (6232, 41952), (6992, 37392), (7296, 35834), (7544, 34656), (7872, 33212), (8303, 31488), (8664, 30176), (8832, 29602), (9348, 27968), (10488, 24928), (10496, 24909), (11316, 23104), (11552, 22632), (12464, 20976), (13984, 18696), (14592, 17917), (14801, 17664), (15088, 17328), (15744, 16606)]