161320544

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 413683200

約数和(自身を除く): 252362656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 49, 56, 77, 88, 94, 98, 112, 154, 176, 188, 196, 199, 224, 308, 329, 352, 376, 392, 398, 517, 539, 616, 658, 752, 784, 796, 1034, 1078, 1232, 1316, 1393, 1504, 1568, 1592, 2068, 2156, 2189, 2303, 2464, 2632, 2786, 3184, 3619, 4136, 4312, 4378, 4606, 5264, 5572, 6368, 7238, 8272, 8624, 8756, 9212, 9353, 9751, 10528, 11144, 14476, 15323, 16544, 17248, 17512, 18424, 18706, 19502, 22288, 25333, 28952, 30646, 35024, 36848, 37412, 39004, 44576, 50666, 57904, 61292, 65471, 70048, 73696, 74824, 78008, 101332, 102883, 107261, 115808, 122584, 130942, 149648, 156016, 202664, 205766, 214522, 245168, 261884, 299296, 312032, 405328, 411532, 429044, 458297, 490336, 523768, 720181, 810656, 823064, 858088, 916594, 1047536, 1440362, 1646128, 1716176, 1833188, 2095072, 2880724, 3292256, 3432352, 3666376, 5041267, 5761448, 7332752, 10082534, 11522896, 14665504, 20165068, 23045792, 40330136, 80660272, 161320544]

約数ペア:

[(1, 161320544), (2, 80660272), (4, 40330136), (7, 23045792), (8, 20165068), (11, 14665504), (14, 11522896), (16, 10082534), (22, 7332752), (28, 5761448), (32, 5041267), (44, 3666376), (47, 3432352), (49, 3292256), (56, 2880724), (77, 2095072), (88, 1833188), (94, 1716176), (98, 1646128), (112, 1440362), (154, 1047536), (176, 916594), (188, 858088), (196, 823064), (199, 810656), (224, 720181), (308, 523768), (329, 490336), (352, 458297), (376, 429044), (392, 411532), (398, 405328), (517, 312032), (539, 299296), (616, 261884), (658, 245168), (752, 214522), (784, 205766), (796, 202664), (1034, 156016), (1078, 149648), (1232, 130942), (1316, 122584), (1393, 115808), (1504, 107261), (1568, 102883), (1592, 101332), (2068, 78008), (2156, 74824), (2189, 73696), (2303, 70048), (2464, 65471), (2632, 61292), (2786, 57904), (3184, 50666), (3619, 44576), (4136, 39004), (4312, 37412), (4378, 36848), (4606, 35024), (5264, 30646), (5572, 28952), (6368, 25333), (7238, 22288), (8272, 19502), (8624, 18706), (8756, 18424), (9212, 17512), (9353, 17248), (9751, 16544), (10528, 15323), (11144, 14476)]