165661456

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 374172480

約数和(自身を除く): 208511024

約数列:

[1, 2, 4, 8, 16, 19, 23, 29, 38, 43, 46, 58, 76, 86, 92, 116, 152, 172, 184, 232, 304, 344, 361, 368, 437, 464, 551, 667, 688, 722, 817, 874, 989, 1102, 1247, 1334, 1444, 1634, 1748, 1978, 2204, 2494, 2668, 2888, 3268, 3496, 3956, 4408, 4988, 5336, 5776, 6536, 6992, 7912, 8303, 8816, 9976, 10469, 10672, 12673, 13072, 15523, 15824, 16606, 18791, 19952, 20938, 23693, 25346, 28681, 31046, 33212, 37582, 41876, 47386, 50692, 57362, 62092, 66424, 75164, 83752, 94772, 101384, 114724, 124184, 132848, 150328, 167504, 189544, 202768, 229448, 240787, 248368, 300656, 357029, 379088, 450167, 458896, 481574, 544939, 714058, 900334, 963148, 1089878, 1428116, 1800668, 1926296, 2179756, 2856232, 3601336, 3852592, 4359512, 5712464, 7202672, 8719024, 10353841, 20707682, 41415364, 82830728, 165661456]

約数ペア:

[(1, 165661456), (2, 82830728), (4, 41415364), (8, 20707682), (16, 10353841), (19, 8719024), (23, 7202672), (29, 5712464), (38, 4359512), (43, 3852592), (46, 3601336), (58, 2856232), (76, 2179756), (86, 1926296), (92, 1800668), (116, 1428116), (152, 1089878), (172, 963148), (184, 900334), (232, 714058), (304, 544939), (344, 481574), (361, 458896), (368, 450167), (437, 379088), (464, 357029), (551, 300656), (667, 248368), (688, 240787), (722, 229448), (817, 202768), (874, 189544), (989, 167504), (1102, 150328), (1247, 132848), (1334, 124184), (1444, 114724), (1634, 101384), (1748, 94772), (1978, 83752), (2204, 75164), (2494, 66424), (2668, 62092), (2888, 57362), (3268, 50692), (3496, 47386), (3956, 41876), (4408, 37582), (4988, 33212), (5336, 31046), (5776, 28681), (6536, 25346), (6992, 23693), (7912, 20938), (8303, 19952), (8816, 18791), (9976, 16606), (10469, 15824), (10672, 15523), (12673, 13072)]