128009168

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 312122880

約数和(自身を除く): 184113712

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 49, 56, 62, 92, 98, 112, 124, 161, 184, 196, 217, 229, 248, 322, 368, 392, 434, 458, 496, 644, 713, 784, 868, 916, 1127, 1288, 1426, 1519, 1603, 1736, 1832, 2254, 2576, 2852, 3038, 3206, 3472, 3664, 4508, 4991, 5267, 5704, 6076, 6412, 7099, 9016, 9982, 10534, 11221, 11408, 12152, 12824, 14198, 18032, 19964, 21068, 22442, 24304, 25648, 28396, 34937, 36869, 39928, 42136, 44884, 49693, 56792, 69874, 73738, 79856, 84272, 89768, 99386, 113584, 139748, 147476, 163277, 179536, 198772, 258083, 279496, 294952, 326554, 347851, 397544, 516166, 558992, 589904, 653108, 695702, 795088, 1032332, 1142939, 1306216, 1391404, 2064664, 2285878, 2612432, 2782808, 4129328, 4571756, 5565616, 8000573, 9143512, 16001146, 18287024, 32002292, 64004584, 128009168]

約数ペア:

[(1, 128009168), (2, 64004584), (4, 32002292), (7, 18287024), (8, 16001146), (14, 9143512), (16, 8000573), (23, 5565616), (28, 4571756), (31, 4129328), (46, 2782808), (49, 2612432), (56, 2285878), (62, 2064664), (92, 1391404), (98, 1306216), (112, 1142939), (124, 1032332), (161, 795088), (184, 695702), (196, 653108), (217, 589904), (229, 558992), (248, 516166), (322, 397544), (368, 347851), (392, 326554), (434, 294952), (458, 279496), (496, 258083), (644, 198772), (713, 179536), (784, 163277), (868, 147476), (916, 139748), (1127, 113584), (1288, 99386), (1426, 89768), (1519, 84272), (1603, 79856), (1736, 73738), (1832, 69874), (2254, 56792), (2576, 49693), (2852, 44884), (3038, 42136), (3206, 39928), (3472, 36869), (3664, 34937), (4508, 28396), (4991, 25648), (5267, 24304), (5704, 22442), (6076, 21068), (6412, 19964), (7099, 18032), (9016, 14198), (9982, 12824), (10534, 12152), (11221, 11408)]