161280784

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 376190208

約数和(自身を除く): 214909424

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 137, 161, 184, 274, 322, 368, 457, 548, 644, 914, 959, 1096, 1288, 1828, 1918, 2192, 2576, 3151, 3199, 3656, 3836, 6302, 6398, 7312, 7672, 10511, 12604, 12796, 15344, 21022, 22057, 25208, 25592, 42044, 44114, 50416, 51184, 62609, 73577, 84088, 88228, 125218, 147154, 168176, 176456, 250436, 294308, 352912, 438263, 500872, 588616, 876526, 1001744, 1177232, 1440007, 1753052, 2880014, 3506104, 5760028, 7012208, 10080049, 11520056, 20160098, 23040112, 40320196, 80640392, 161280784]

約数ペア:

[(1, 161280784), (2, 80640392), (4, 40320196), (7, 23040112), (8, 20160098), (14, 11520056), (16, 10080049), (23, 7012208), (28, 5760028), (46, 3506104), (56, 2880014), (92, 1753052), (112, 1440007), (137, 1177232), (161, 1001744), (184, 876526), (274, 588616), (322, 500872), (368, 438263), (457, 352912), (548, 294308), (644, 250436), (914, 176456), (959, 168176), (1096, 147154), (1288, 125218), (1828, 88228), (1918, 84088), (2192, 73577), (2576, 62609), (3151, 51184), (3199, 50416), (3656, 44114), (3836, 42044), (6302, 25592), (6398, 25208), (7312, 22057), (7672, 21022), (10511, 15344), (12604, 12796)]