256732824

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 699033600

約数和(自身を除く): 442300776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 31, 58, 62, 73, 87, 93, 116, 124, 146, 163, 174, 186, 219, 232, 248, 292, 326, 348, 372, 438, 489, 584, 652, 696, 744, 876, 899, 978, 1304, 1752, 1798, 1956, 2117, 2263, 2697, 3596, 3912, 4234, 4526, 4727, 5053, 5394, 6351, 6789, 7192, 8468, 9052, 9454, 10106, 10788, 11899, 12702, 13578, 14181, 15159, 16936, 18104, 18908, 20212, 21576, 23798, 25404, 27156, 28362, 30318, 35697, 37816, 40424, 47596, 50808, 54312, 56724, 60636, 65627, 71394, 95192, 113448, 121272, 131254, 142788, 146537, 196881, 262508, 285576, 293074, 345071, 368869, 393762, 439611, 525016, 586148, 690142, 737738, 787524, 879222, 1035213, 1106607, 1172296, 1380284, 1475476, 1575048, 1758444, 2070426, 2213214, 2760568, 2950952, 3516888, 4140852, 4426428, 8281704, 8852856, 10697201, 21394402, 32091603, 42788804, 64183206, 85577608, 128366412, 256732824]

約数ペア:

[(1, 256732824), (2, 128366412), (3, 85577608), (4, 64183206), (6, 42788804), (8, 32091603), (12, 21394402), (24, 10697201), (29, 8852856), (31, 8281704), (58, 4426428), (62, 4140852), (73, 3516888), (87, 2950952), (93, 2760568), (116, 2213214), (124, 2070426), (146, 1758444), (163, 1575048), (174, 1475476), (186, 1380284), (219, 1172296), (232, 1106607), (248, 1035213), (292, 879222), (326, 787524), (348, 737738), (372, 690142), (438, 586148), (489, 525016), (584, 439611), (652, 393762), (696, 368869), (744, 345071), (876, 293074), (899, 285576), (978, 262508), (1304, 196881), (1752, 146537), (1798, 142788), (1956, 131254), (2117, 121272), (2263, 113448), (2697, 95192), (3596, 71394), (3912, 65627), (4234, 60636), (4526, 56724), (4727, 54312), (5053, 50808), (5394, 47596), (6351, 40424), (6789, 37816), (7192, 35697), (8468, 30318), (9052, 28362), (9454, 27156), (10106, 25404), (10788, 23798), (11899, 21576), (12702, 20212), (13578, 18908), (14181, 18104), (15159, 16936)]