261930816

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 168

約数和(自身を含む): 865388160

約数和(自身を除く): 603457344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 167, 168, 192, 224, 252, 288, 334, 336, 389, 448, 501, 504, 576, 668, 672, 778, 1002, 1008, 1167, 1169, 1336, 1344, 1503, 1556, 2004, 2016, 2334, 2338, 2672, 2723, 3006, 3112, 3501, 3507, 4008, 4032, 4668, 4676, 5344, 5446, 6012, 6224, 7002, 7014, 8016, 8169, 9336, 9352, 10521, 10688, 10892, 12024, 12448, 14004, 14028, 16032, 16338, 18672, 18704, 21042, 21784, 24048, 24507, 24896, 28008, 28056, 32064, 32676, 37344, 37408, 42084, 43568, 48096, 49014, 56016, 56112, 64963, 65352, 74688, 74816, 84168, 87136, 96192, 98028, 112032, 112224, 129926, 130704, 168336, 174272, 194889, 196056, 224064, 224448, 259852, 261408, 336672, 389778, 392112, 454741, 519704, 522816, 584667, 673344, 779556, 784224, 909482, 1039408, 1169334, 1364223, 1559112, 1568448, 1818964, 2078816, 2338668, 2728446, 3118224, 3637928, 4092669, 4157632, 4677336, 5456892, 6236448, 7275856, 8185338, 9354672, 10913784, 12472896, 14551712, 16370676, 18709344, 21827568, 29103424, 32741352, 37418688, 43655136, 65482704, 87310272, 130965408, 261930816]

約数ペア:

[(1, 261930816), (2, 130965408), (3, 87310272), (4, 65482704), (6, 43655136), (7, 37418688), (8, 32741352), (9, 29103424), (12, 21827568), (14, 18709344), (16, 16370676), (18, 14551712), (21, 12472896), (24, 10913784), (28, 9354672), (32, 8185338), (36, 7275856), (42, 6236448), (48, 5456892), (56, 4677336), (63, 4157632), (64, 4092669), (72, 3637928), (84, 3118224), (96, 2728446), (112, 2338668), (126, 2078816), (144, 1818964), (167, 1568448), (168, 1559112), (192, 1364223), (224, 1169334), (252, 1039408), (288, 909482), (334, 784224), (336, 779556), (389, 673344), (448, 584667), (501, 522816), (504, 519704), (576, 454741), (668, 392112), (672, 389778), (778, 336672), (1002, 261408), (1008, 259852), (1167, 224448), (1169, 224064), (1336, 196056), (1344, 194889), (1503, 174272), (1556, 168336), (2004, 130704), (2016, 129926), (2334, 112224), (2338, 112032), (2672, 98028), (2723, 96192), (3006, 87136), (3112, 84168), (3501, 74816), (3507, 74688), (4008, 65352), (4032, 64963), (4668, 56112), (4676, 56016), (5344, 49014), (5446, 48096), (6012, 43568), (6224, 42084), (7002, 37408), (7014, 37344), (8016, 32676), (8169, 32064), (9336, 28056), (9352, 28008), (10521, 24896), (10688, 24507), (10892, 24048), (12024, 21784), (12448, 21042), (14004, 18704), (14028, 18672), (16032, 16338)]