81553584

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 256840704

約数和(自身を除く): 175287120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 61, 69, 84, 92, 112, 122, 138, 161, 168, 173, 183, 184, 244, 276, 322, 336, 346, 366, 368, 427, 483, 488, 519, 552, 644, 692, 732, 854, 966, 976, 1038, 1104, 1211, 1281, 1288, 1384, 1403, 1464, 1708, 1932, 2076, 2422, 2562, 2576, 2768, 2806, 2928, 3416, 3633, 3864, 3979, 4152, 4209, 4844, 5124, 5612, 6832, 7266, 7728, 7958, 8304, 8418, 9688, 9821, 10248, 10553, 11224, 11937, 14532, 15916, 16836, 19376, 19642, 20496, 21106, 22448, 23874, 27853, 29064, 29463, 31659, 31832, 33672, 39284, 42212, 47748, 55706, 58128, 58926, 63318, 63664, 67344, 73871, 78568, 83559, 84424, 95496, 111412, 117852, 126636, 147742, 157136, 167118, 168848, 190992, 221613, 222824, 235704, 242719, 253272, 295484, 334236, 443226, 445648, 471408, 485438, 506544, 590968, 668472, 728157, 886452, 970876, 1181936, 1336944, 1456314, 1699033, 1772904, 1941752, 2912628, 3398066, 3545808, 3883504, 5097099, 5825256, 6796132, 10194198, 11650512, 13592264, 20388396, 27184528, 40776792, 81553584]

約数ペア:

[(1, 81553584), (2, 40776792), (3, 27184528), (4, 20388396), (6, 13592264), (7, 11650512), (8, 10194198), (12, 6796132), (14, 5825256), (16, 5097099), (21, 3883504), (23, 3545808), (24, 3398066), (28, 2912628), (42, 1941752), (46, 1772904), (48, 1699033), (56, 1456314), (61, 1336944), (69, 1181936), (84, 970876), (92, 886452), (112, 728157), (122, 668472), (138, 590968), (161, 506544), (168, 485438), (173, 471408), (183, 445648), (184, 443226), (244, 334236), (276, 295484), (322, 253272), (336, 242719), (346, 235704), (366, 222824), (368, 221613), (427, 190992), (483, 168848), (488, 167118), (519, 157136), (552, 147742), (644, 126636), (692, 117852), (732, 111412), (854, 95496), (966, 84424), (976, 83559), (1038, 78568), (1104, 73871), (1211, 67344), (1281, 63664), (1288, 63318), (1384, 58926), (1403, 58128), (1464, 55706), (1708, 47748), (1932, 42212), (2076, 39284), (2422, 33672), (2562, 31832), (2576, 31659), (2768, 29463), (2806, 29064), (2928, 27853), (3416, 23874), (3633, 22448), (3864, 21106), (3979, 20496), (4152, 19642), (4209, 19376), (4844, 16836), (5124, 15916), (5612, 14532), (6832, 11937), (7266, 11224), (7728, 10553), (7958, 10248), (8304, 9821), (8418, 9688)]