261437904

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 240

約数和(自身を含む): 916441344

約数和(自身を除く): 655003440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 71, 72, 78, 84, 91, 104, 112, 117, 126, 142, 144, 156, 168, 182, 208, 213, 234, 252, 273, 281, 284, 312, 336, 364, 426, 468, 497, 504, 546, 562, 568, 624, 639, 728, 819, 843, 852, 923, 936, 994, 1008, 1092, 1124, 1136, 1278, 1456, 1491, 1638, 1686, 1704, 1846, 1872, 1967, 1988, 2184, 2248, 2529, 2556, 2769, 2982, 3276, 3372, 3408, 3653, 3692, 3934, 3976, 4368, 4473, 4496, 5058, 5112, 5538, 5901, 5964, 6461, 6552, 6744, 7306, 7384, 7868, 7952, 8307, 8946, 10116, 10224, 10959, 11076, 11802, 11928, 12922, 13104, 13488, 14612, 14768, 15736, 16614, 17703, 17892, 19383, 19951, 20232, 21918, 22152, 23604, 23856, 25571, 25844, 29224, 31472, 32877, 33228, 35406, 35784, 38766, 39902, 40464, 43836, 44304, 47208, 51142, 51688, 58149, 58448, 59853, 65754, 66456, 70812, 71568, 76713, 77532, 79804, 87672, 94416, 102284, 103376, 116298, 119706, 131508, 132912, 139657, 141624, 153426, 155064, 159608, 175344, 179559, 204568, 230139, 232596, 239412, 259363, 263016, 279314, 283248, 306852, 310128, 319216, 359118, 409136, 418971, 460278, 465192, 478824, 518726, 526032, 558628, 613704, 718236, 778089, 837942, 920556, 930384, 957648, 1037452, 1117256, 1227408, 1256913, 1436472, 1556178, 1675884, 1815541, 1841112, 2074904, 2234512, 2334267, 2513826, 2872944, 3112356, 3351768, 3631082, 3682224, 4149808, 4668534, 5027652, 5446623, 6224712, 6703536, 7262164, 9337068, 10055304, 10893246, 12449424, 14524328, 16339869, 18674136, 20110608, 21786492, 29048656, 32679738, 37348272, 43572984, 65359476, 87145968, 130718952, 261437904]

約数ペア:

[(1, 261437904), (2, 130718952), (3, 87145968), (4, 65359476), (6, 43572984), (7, 37348272), (8, 32679738), (9, 29048656), (12, 21786492), (13, 20110608), (14, 18674136), (16, 16339869), (18, 14524328), (21, 12449424), (24, 10893246), (26, 10055304), (28, 9337068), (36, 7262164), (39, 6703536), (42, 6224712), (48, 5446623), (52, 5027652), (56, 4668534), (63, 4149808), (71, 3682224), (72, 3631082), (78, 3351768), (84, 3112356), (91, 2872944), (104, 2513826), (112, 2334267), (117, 2234512), (126, 2074904), (142, 1841112), (144, 1815541), (156, 1675884), (168, 1556178), (182, 1436472), (208, 1256913), (213, 1227408), (234, 1117256), (252, 1037452), (273, 957648), (281, 930384), (284, 920556), (312, 837942), (336, 778089), (364, 718236), (426, 613704), (468, 558628), (497, 526032), (504, 518726), (546, 478824), (562, 465192), (568, 460278), (624, 418971), (639, 409136), (728, 359118), (819, 319216), (843, 310128), (852, 306852), (923, 283248), (936, 279314), (994, 263016), (1008, 259363), (1092, 239412), (1124, 232596), (1136, 230139), (1278, 204568), (1456, 179559), (1491, 175344), (1638, 159608), (1686, 155064), (1704, 153426), (1846, 141624), (1872, 139657), (1967, 132912), (1988, 131508), (2184, 119706), (2248, 116298), (2529, 103376), (2556, 102284), (2769, 94416), (2982, 87672), (3276, 79804), (3372, 77532), (3408, 76713), (3653, 71568), (3692, 70812), (3934, 66456), (3976, 65754), (4368, 59853), (4473, 58448), (4496, 58149), (5058, 51688), (5112, 51142), (5538, 47208), (5901, 44304), (5964, 43836), (6461, 40464), (6552, 39902), (6744, 38766), (7306, 35784), (7384, 35406), (7868, 33228), (7952, 32877), (8307, 31472), (8946, 29224), (10116, 25844), (10224, 25571), (10959, 23856), (11076, 23604), (11802, 22152), (11928, 21918), (12922, 20232), (13104, 19951), (13488, 19383), (14612, 17892), (14768, 17703), (15736, 16614)]