261258984

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 842400000

約数和(自身を除く): 581141016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 71, 72, 84, 98, 126, 142, 147, 149, 168, 196, 213, 252, 284, 294, 298, 343, 392, 426, 441, 447, 497, 504, 568, 588, 596, 639, 686, 852, 882, 894, 994, 1029, 1043, 1176, 1192, 1278, 1341, 1372, 1491, 1704, 1764, 1788, 1988, 2058, 2086, 2556, 2682, 2744, 2982, 3087, 3129, 3479, 3528, 3576, 3976, 4116, 4172, 4473, 5112, 5364, 5964, 6174, 6258, 6958, 7301, 8232, 8344, 8946, 9387, 10437, 10579, 10728, 11928, 12348, 12516, 13916, 14602, 17892, 18774, 20874, 21158, 21903, 24353, 24696, 25032, 27832, 29204, 31311, 31737, 35784, 37548, 41748, 42316, 43806, 48706, 51107, 58408, 62622, 63474, 65709, 73059, 74053, 75096, 83496, 84632, 87612, 95211, 97412, 102214, 125244, 126948, 131418, 146118, 148106, 153321, 175224, 190422, 194824, 204428, 219177, 222159, 250488, 253896, 262836, 292236, 296212, 306642, 380844, 408856, 438354, 444318, 459963, 518371, 525672, 584472, 592424, 613284, 666477, 761688, 876708, 888636, 919926, 1036742, 1226568, 1332954, 1555113, 1753416, 1777272, 1839852, 2073484, 2665908, 3110226, 3628597, 3679704, 4146968, 4665339, 5331816, 6220452, 7257194, 9330678, 10885791, 12440904, 14514388, 18661356, 21771582, 29028776, 32657373, 37322712, 43543164, 65314746, 87086328, 130629492, 261258984]

約数ペア:

[(1, 261258984), (2, 130629492), (3, 87086328), (4, 65314746), (6, 43543164), (7, 37322712), (8, 32657373), (9, 29028776), (12, 21771582), (14, 18661356), (18, 14514388), (21, 12440904), (24, 10885791), (28, 9330678), (36, 7257194), (42, 6220452), (49, 5331816), (56, 4665339), (63, 4146968), (71, 3679704), (72, 3628597), (84, 3110226), (98, 2665908), (126, 2073484), (142, 1839852), (147, 1777272), (149, 1753416), (168, 1555113), (196, 1332954), (213, 1226568), (252, 1036742), (284, 919926), (294, 888636), (298, 876708), (343, 761688), (392, 666477), (426, 613284), (441, 592424), (447, 584472), (497, 525672), (504, 518371), (568, 459963), (588, 444318), (596, 438354), (639, 408856), (686, 380844), (852, 306642), (882, 296212), (894, 292236), (994, 262836), (1029, 253896), (1043, 250488), (1176, 222159), (1192, 219177), (1278, 204428), (1341, 194824), (1372, 190422), (1491, 175224), (1704, 153321), (1764, 148106), (1788, 146118), (1988, 131418), (2058, 126948), (2086, 125244), (2556, 102214), (2682, 97412), (2744, 95211), (2982, 87612), (3087, 84632), (3129, 83496), (3479, 75096), (3528, 74053), (3576, 73059), (3976, 65709), (4116, 63474), (4172, 62622), (4473, 58408), (5112, 51107), (5364, 48706), (5964, 43806), (6174, 42316), (6258, 41748), (6958, 37548), (7301, 35784), (8232, 31737), (8344, 31311), (8946, 29204), (9387, 27832), (10437, 25032), (10579, 24696), (10728, 24353), (11928, 21903), (12348, 21158), (12516, 20874), (13916, 18774), (14602, 17892)]