81545856

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1366

約数の個数: 128

約数和(自身を含む): 258508800

約数和(自身を除く): 176962944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 483, 552, 644, 672, 736, 896, 966, 1104, 1288, 1319, 1344, 1472, 1932, 2208, 2576, 2638, 2688, 2944, 3864, 3957, 4416, 5152, 5276, 7728, 7914, 8832, 9233, 10304, 10552, 15456, 15828, 18466, 20608, 21104, 27699, 30337, 30912, 31656, 36932, 42208, 55398, 60674, 61824, 63312, 73864, 84416, 91011, 110796, 121348, 126624, 147728, 168832, 182022, 212359, 221592, 242696, 253248, 295456, 364044, 424718, 443184, 485392, 506496, 590912, 637077, 728088, 849436, 886368, 970784, 1181824, 1274154, 1456176, 1698872, 1772736, 1941568, 2548308, 2912352, 3397744, 3545472, 3883136, 5096616, 5824704, 6795488, 10193232, 11649408, 13590976, 20386464, 27181952, 40772928, 81545856]

約数ペア:

[(1, 81545856), (2, 40772928), (3, 27181952), (4, 20386464), (6, 13590976), (7, 11649408), (8, 10193232), (12, 6795488), (14, 5824704), (16, 5096616), (21, 3883136), (23, 3545472), (24, 3397744), (28, 2912352), (32, 2548308), (42, 1941568), (46, 1772736), (48, 1698872), (56, 1456176), (64, 1274154), (69, 1181824), (84, 970784), (92, 886368), (96, 849436), (112, 728088), (128, 637077), (138, 590912), (161, 506496), (168, 485392), (184, 443184), (192, 424718), (224, 364044), (276, 295456), (322, 253248), (336, 242696), (368, 221592), (384, 212359), (448, 182022), (483, 168832), (552, 147728), (644, 126624), (672, 121348), (736, 110796), (896, 91011), (966, 84416), (1104, 73864), (1288, 63312), (1319, 61824), (1344, 60674), (1472, 55398), (1932, 42208), (2208, 36932), (2576, 31656), (2638, 30912), (2688, 30337), (2944, 27699), (3864, 21104), (3957, 20608), (4416, 18466), (5152, 15828), (5276, 15456), (7728, 10552), (7914, 10304), (8832, 9233)]